diff --git a/ext/ffi_c/ArrayType.c b/ext/ffi_c/ArrayType.c
index 58decf270..39e45c7d2 100644
--- a/ext/ffi_c/ArrayType.c
+++ b/ext/ffi_c/ArrayType.c
@@ -3,27 +3,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <ruby.h>
diff --git a/ext/ffi_c/ArrayType.h b/ext/ffi_c/ArrayType.h
index ec6423e79..ecfc5e250 100644
--- a/ext/ffi_c/ArrayType.h
+++ b/ext/ffi_c/ArrayType.h
@@ -3,27 +3,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_ARRAYTYPE_H
diff --git a/ext/ffi_c/Call.h b/ext/ffi_c/Call.h
index 41ec46f80..e983bfec5 100644
--- a/ext/ffi_c/Call.h
+++ b/ext/ffi_c/Call.h
@@ -3,29 +3,22 @@
  * Copyright (c) 2009, Luc Heinrich <luc@honk-honk.com>
  * Copyright (c) 2009, Mike Dalessio <mike.dalessio@gmail.com>
  * Copyright (c) 2009, Aman Gupta.
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_INVOKE_H
diff --git a/ext/ffi_c/ClosurePool.h b/ext/ffi_c/ClosurePool.h
index 08aa548cf..2c252dddc 100644
--- a/ext/ffi_c/ClosurePool.h
+++ b/ext/ffi_c/ClosurePool.h
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2009, 2010 Wayne Meissner
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef RUBYFFI_CLOSUREPOOL_H
 #define RUBYFFI_CLOSUREPOOL_H
 
diff --git a/ext/ffi_c/DynamicLibrary.h b/ext/ffi_c/DynamicLibrary.h
index d9060b6a2..312e11960 100644
--- a/ext/ffi_c/DynamicLibrary.h
+++ b/ext/ffi_c/DynamicLibrary.h
@@ -1,3 +1,21 @@
+/*
+ * Copyright (c) 2008-2010 Wayne Meissner
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #ifndef _LIBRARY_H
 #define	_LIBRARY_H
diff --git a/ext/ffi_c/Function.c b/ext/ffi_c/Function.c
index d8fb16e08..f40dce64d 100644
--- a/ext/ffi_c/Function.c
+++ b/ext/ffi_c/Function.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) 2009, 2010 Wayne Meissner
-
+ * Copyright (c) 2009-2011 Wayne Meissner
+ *
  * All rights reserved.
  *
  * This file is part of ruby-ffi.
diff --git a/ext/ffi_c/Function.h b/ext/ffi_c/Function.h
index 0747ab4cc..c2979b108 100644
--- a/ext/ffi_c/Function.h
+++ b/ext/ffi_c/Function.h
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2009, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_FUNCTION_H
diff --git a/ext/ffi_c/LastError.c b/ext/ffi_c/LastError.c
index 110ddc6d2..266122e5c 100644
--- a/ext/ffi_c/LastError.c
+++ b/ext/ffi_c/LastError.c
@@ -3,27 +3,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/param.h>
diff --git a/ext/ffi_c/LastError.h b/ext/ffi_c/LastError.h
index f200e556a..47a50f846 100644
--- a/ext/ffi_c/LastError.h
+++ b/ext/ffi_c/LastError.h
@@ -1,3 +1,23 @@
+/*
+ * Copyright (c) 2008, 2009, Wayne Meissner
+ *
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef RBFFI_LASTERROR_H
 #define	RBFFI_LASTERROR_H
 
diff --git a/ext/ffi_c/MappedType.c b/ext/ffi_c/MappedType.c
index 74ab281a1..61b6d6591 100644
--- a/ext/ffi_c/MappedType.c
+++ b/ext/ffi_c/MappedType.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2010, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <ruby.h>
diff --git a/ext/ffi_c/MappedType.h b/ext/ffi_c/MappedType.h
index 766525854..bb9fb4999 100644
--- a/ext/ffi_c/MappedType.h
+++ b/ext/ffi_c/MappedType.h
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2010, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_MAPPEDTYPE_H
diff --git a/ext/ffi_c/MemoryPointer.h b/ext/ffi_c/MemoryPointer.h
index 595f7a215..ea7c6c1cb 100644
--- a/ext/ffi_c/MemoryPointer.h
+++ b/ext/ffi_c/MemoryPointer.h
@@ -1,6 +1,26 @@
+/*
+ * Copyright (c) 2008, 2009, Wayne Meissner
+ * Copyright (c) 2008, Luc Heinrich <luc@honk-honk.com>
+ *
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
-#ifndef _MEMORYPOINTER_H
-#define	_MEMORYPOINTER_H
+#ifndef RBFFI_MEMORYPOINTER_H
+#define	RBFFI_MEMORYPOINTER_H
 
 #include <stdbool.h>
 #include <ruby.h>
@@ -16,5 +36,5 @@ extern "C" {
 }
 #endif
 
-#endif	/* _MEMORYPOINTER_H */
+#endif	/* RBFFI_MEMORYPOINTER_H */
 
diff --git a/ext/ffi_c/MethodHandle.h b/ext/ffi_c/MethodHandle.h
index afc0c5306..3d8687d25 100644
--- a/ext/ffi_c/MethodHandle.h
+++ b/ext/ffi_c/MethodHandle.h
@@ -1,32 +1,25 @@
 /*
  * Copyright (c) 2009, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef _METHODHANDLE_H
-#define	_METHODHANDLE_H
+#ifndef RBFFI_METHODHANDLE_H
+#define	RBFFI_METHODHANDLE_H
 
 #ifdef	__cplusplus
 extern "C" {
@@ -49,5 +42,5 @@ void rbffi_MethodHandle_Init(VALUE module);
 }
 #endif
 
-#endif	/* _METHODHANDLE_H */
+#endif	/* RBFFI_METHODHANDLE_H */
 
diff --git a/ext/ffi_c/Platform.c b/ext/ffi_c/Platform.c
index c94abbdfc..7e5d91aec 100644
--- a/ext/ffi_c/Platform.c
+++ b/ext/ffi_c/Platform.c
@@ -1,3 +1,23 @@
+/*
+ * Copyright (c) 2008-2010 Wayne Meissner
+ *
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/param.h>
 #include <sys/types.h>
 #include <stdint.h>
diff --git a/ext/ffi_c/Platform.h b/ext/ffi_c/Platform.h
index d1aa38df0..d8f4ebabf 100644
--- a/ext/ffi_c/Platform.h
+++ b/ext/ffi_c/Platform.h
@@ -1,5 +1,25 @@
-#ifndef _PLATFORM_H
-#define	_PLATFORM_H
+/*
+ * Copyright (c) 2008-2010 Wayne Meissner
+ *
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RBFFI_PLATFORM_H
+#define	RBFFI_PLATFORM_H
 
 #ifdef	__cplusplus
 extern "C" {
@@ -12,5 +32,5 @@ extern "C" {
 }
 #endif
 
-#endif	/* _PLATFORM_H */
+#endif	/* RBFFI_PLATFORM_H */
 
diff --git a/ext/ffi_c/Pointer.h b/ext/ffi_c/Pointer.h
index 63ad1b386..ed849a230 100644
--- a/ext/ffi_c/Pointer.h
+++ b/ext/ffi_c/Pointer.h
@@ -3,27 +3,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_POINTER_H
diff --git a/ext/ffi_c/Struct.c b/ext/ffi_c/Struct.c
index 03724a7c0..2ea300bf1 100644
--- a/ext/ffi_c/Struct.c
+++ b/ext/ffi_c/Struct.c
@@ -4,27 +4,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/types.h>
diff --git a/ext/ffi_c/Struct.h b/ext/ffi_c/Struct.h
index 52549b256..9b14dec2c 100644
--- a/ext/ffi_c/Struct.h
+++ b/ext/ffi_c/Struct.h
@@ -4,27 +4,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_STRUCT_H
diff --git a/ext/ffi_c/StructByValue.c b/ext/ffi_c/StructByValue.c
index 8bfff9523..13ddf1457 100644
--- a/ext/ffi_c/StructByValue.c
+++ b/ext/ffi_c/StructByValue.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2009, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/param.h>
diff --git a/ext/ffi_c/StructByValue.h b/ext/ffi_c/StructByValue.h
index 3962d9b63..ca6b70ce7 100644
--- a/ext/ffi_c/StructByValue.h
+++ b/ext/ffi_c/StructByValue.h
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2009, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_STRUCTBYVALUE_H
diff --git a/ext/ffi_c/StructLayout.c b/ext/ffi_c/StructLayout.c
index c57a017d7..3a6483f3b 100644
--- a/ext/ffi_c/StructLayout.c
+++ b/ext/ffi_c/StructLayout.c
@@ -4,27 +4,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/types.h>
diff --git a/ext/ffi_c/Thread.h b/ext/ffi_c/Thread.h
index fc30eb455..b7ae6ba39 100644
--- a/ext/ffi_c/Thread.h
+++ b/ext/ffi_c/Thread.h
@@ -18,8 +18,8 @@
  * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef THREAD_H
-#define	THREAD_H
+#ifndef RBFFI_THREAD_H
+#define	RBFFI_THREAD_H
 
 #include <stdbool.h>
 #include <ruby.h>
@@ -60,5 +60,5 @@ VALUE rbffi_thread_blocking_region(VALUE (*func)(void *), void *data1, void (*ub
 }
 #endif
 
-#endif	/* THREAD_H */
+#endif	/* RBFFI_THREAD_H */
 
diff --git a/ext/ffi_c/Types.c b/ext/ffi_c/Types.c
index f25d715fe..51e20555a 100644
--- a/ext/ffi_c/Types.c
+++ b/ext/ffi_c/Types.c
@@ -2,29 +2,22 @@
  * Copyright (c) 2009, Wayne Meissner
  * Copyright (c) 2009, Luc Heinrich
  * Copyright (c) 2009, Aman Gupta.
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <ruby.h>
diff --git a/ext/ffi_c/Types.h b/ext/ffi_c/Types.h
index e15f2607b..a912a9960 100644
--- a/ext/ffi_c/Types.h
+++ b/ext/ffi_c/Types.h
@@ -4,27 +4,19 @@
  *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_TYPES_H
diff --git a/ext/ffi_c/compat.h b/ext/ffi_c/compat.h
index ea890b60c..9fb852ed2 100644
--- a/ext/ffi_c/compat.h
+++ b/ext/ffi_c/compat.h
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2008, 2009, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef RBFFI_COMPAT_H
diff --git a/ext/ffi_c/ffi.c b/ext/ffi_c/ffi.c
index 88fab2525..f8c955f31 100644
--- a/ext/ffi_c/ffi.c
+++ b/ext/ffi_c/ffi.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2008, 2009, Wayne Meissner
+ *
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
  *
- * * Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright notice
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- * * The name of the author or authors may not be used to endorse or promote
- *   products derived from this software without specific prior written permission.
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/types.h>
diff --git a/ext/ffi_c/rbffi.h b/ext/ffi_c/rbffi.h
index 1b540e57a..46605f30f 100644
--- a/ext/ffi_c/rbffi.h
+++ b/ext/ffi_c/rbffi.h
@@ -1,5 +1,25 @@
-#ifndef _RBFFI_H
-#define	_RBFFI_H
+/*
+ * Copyright (c) 2008, 2009, Wayne Meissner
+ *
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef RBFFI_RBFFI_H
+#define	RBFFI_RBFFI_H
 
 #include <ruby.h>
 
@@ -23,5 +43,5 @@ extern int rbffi_type_size(VALUE type);
 }
 #endif
 
-#endif	/* _RBFFI_H */
+#endif	/* RBFFI_RBFFI_H */
 
diff --git a/libtest/Benchmark.c b/libtest/Benchmark.c
index b1561a704..88a234efc 100644
--- a/libtest/Benchmark.c
+++ b/libtest/Benchmark.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include <sys/types.h>
 #include <stdint.h>
diff --git a/libtest/BoolTest.c b/libtest/BoolTest.c
index 5a4baef40..52eec23c1 100644
--- a/libtest/BoolTest.c
+++ b/libtest/BoolTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2009 Aman Gupta. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdbool.h>
diff --git a/libtest/BufferTest.c b/libtest/BufferTest.c
index 0c2f64ca6..49d1b0ed4 100644
--- a/libtest/BufferTest.c
+++ b/libtest/BufferTest.c
@@ -1,28 +1,21 @@
 /* 
  * Copyright (C) 2007 Wayne Meissner
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 
diff --git a/libtest/ClosureTest.c b/libtest/ClosureTest.c
index b6911246d..6c4c9e685 100644
--- a/libtest/ClosureTest.c
+++ b/libtest/ClosureTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdlib.h>
diff --git a/libtest/EnumTest.c b/libtest/EnumTest.c
index 0eedd19d7..958aadf57 100644
--- a/libtest/EnumTest.c
+++ b/libtest/EnumTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 int test_untagged_enum(int val) {
diff --git a/libtest/FunctionTest.c b/libtest/FunctionTest.c
index 64202e51d..a018f211c 100644
--- a/libtest/FunctionTest.c
+++ b/libtest/FunctionTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2009 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <unistd.h>
diff --git a/libtest/GlobalVariable.c b/libtest/GlobalVariable.c
index b0562aac1..b6125bd75 100644
--- a/libtest/GlobalVariable.c
+++ b/libtest/GlobalVariable.c
@@ -1,3 +1,23 @@
+/*
+ * Copyright (c) 2009 Wayne Meissner. All rights reserved.
+ * 
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <sys/types.h>
 #include <stdint.h>
 
diff --git a/libtest/LastErrorTest.c b/libtest/LastErrorTest.c
index f97cd935f..9e67ce751 100644
--- a/libtest/LastErrorTest.c
+++ b/libtest/LastErrorTest.c
@@ -1,29 +1,23 @@
 /*
  * Copyright (c) 2008 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
+
 #if defined(_WIN32) || defined(__WIN32__)
 # include <windows.h>
 #else
diff --git a/libtest/NumberTest.c b/libtest/NumberTest.c
index 607a0a808..1c4904d6e 100644
--- a/libtest/NumberTest.c
+++ b/libtest/NumberTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/types.h>
diff --git a/libtest/PointerTest.c b/libtest/PointerTest.c
index a0608bf8f..40964fbd8 100644
--- a/libtest/PointerTest.c
+++ b/libtest/PointerTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <sys/types.h>
diff --git a/libtest/ReferenceTest.c b/libtest/ReferenceTest.c
index f5750d8a3..2212a4f15 100644
--- a/libtest/ReferenceTest.c
+++ b/libtest/ReferenceTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdint.h>
diff --git a/libtest/StringTest.c b/libtest/StringTest.c
index 4a8c2dd62..fc83f5b89 100644
--- a/libtest/StringTest.c
+++ b/libtest/StringTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <string.h>
diff --git a/libtest/StructTest.c b/libtest/StructTest.c
index 5997d937a..19c9dc08d 100644
--- a/libtest/StructTest.c
+++ b/libtest/StructTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdio.h>
diff --git a/libtest/UnionTest.c b/libtest/UnionTest.c
index e7f3c9666..aa5e0fcec 100644
--- a/libtest/UnionTest.c
+++ b/libtest/UnionTest.c
@@ -1,28 +1,21 @@
 /*
  * Copyright (c) 2007 Wayne Meissner. All rights reserved.
  * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * All rights reserved.
  *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the name of the project nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
+ * This file is part of ruby-ffi.
  *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdio.h>
diff --git a/libtest/VariadicTest.c b/libtest/VariadicTest.c
index 3869ba9b5..37903e1dc 100644
--- a/libtest/VariadicTest.c
+++ b/libtest/VariadicTest.c
@@ -1,3 +1,22 @@
+/*
+ * Copyright (c) 2008 Wayne Meissner. All rights reserved.
+ *
+ * All rights reserved.
+ *
+ * This file is part of ruby-ffi.
+ *
+ * This code is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License version 3 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * version 3 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+ */
 
 #include <sys/types.h>
 #include <stdio.h>
diff --git a/spec/ffi/bool_spec.rb b/spec/ffi/bool_spec.rb
index fb69b1c2c..68e8419cc 100644
--- a/spec/ffi/bool_spec.rb
+++ b/spec/ffi/bool_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "Function with primitive boolean arguments and return values" do
   module LibTest
diff --git a/spec/ffi/buffer_spec.rb b/spec/ffi/buffer_spec.rb
index 8dfec6b93..beefa1294 100644
--- a/spec/ffi/buffer_spec.rb
+++ b/spec/ffi/buffer_spec.rb
@@ -1,22 +1,35 @@
-require "rubygems"
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
-include FFI
-LongSize = FFI::Platform::LONG_SIZE / 8
 
 describe "Buffer#total" do
   [1,2,3].each do |i|
     { :char => 1, :uchar => 1, :short => 2, :ushort => 2, :int => 4, 
-      :uint => 4, :long => LongSize, :ulong => LongSize, 
+      :uint => 4, :long => FFI::Type::LONG.size, :ulong => FFI::Type::ULONG.size, 
       :long_long => 8, :ulong_long => 8, :float => 4, :double => 8
     }.each_pair do |t, s|
       it "Buffer.alloc_in(#{t}, #{i}).total == #{i * s}" do
-        Buffer.alloc_in(t, i).total.should == i * s
+        FFI::Buffer.alloc_in(t, i).total.should == i * s
       end
       it "Buffer.alloc_out(#{t}, #{i}).total == #{i * s}" do
-        Buffer.alloc_out(t, i).total.should == i * s
+        FFI::Buffer.alloc_out(t, i).total.should == i * s
       end
       it "Buffer.alloc_inout(#{t}, #{i}).total == #{i * s}" do
-        Buffer.alloc_inout(t, i).total.should == i * s
+        FFI::Buffer.alloc_inout(t, i).total.should == i * s
       end
     end
   end
@@ -27,7 +40,7 @@
   (0..127).each do |i|
     (0..bufsize-1).each do |offset|
       it "put_char(#{offset}, #{i}).get_char(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_char(offset, i).get_char(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_char(offset, i).get_char(offset).should == i
       end
     end
   end
@@ -37,7 +50,7 @@
   (0..255).each do |i|
     (0..bufsize-1).each do |offset|
       it "Buffer.put_uchar(#{offset}, #{i}).get_uchar(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_uchar(offset, i).get_uchar(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_uchar(offset, i).get_uchar(offset).should == i
       end
     end
   end 
@@ -47,7 +60,7 @@
   [0, 1, 128, 32767].each do |i|
     (0..bufsize-2).each do |offset|
       it "put_short(#{offset}, #{i}).get_short(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_short(offset, i).get_short(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_short(offset, i).get_short(offset).should == i
       end
     end
   end
@@ -57,7 +70,7 @@
   [ 0, 1, 128, 32767, 65535, 0xfee1, 0xdead, 0xbeef, 0xcafe ].each do |i|
     (0..bufsize-2).each do |offset|
       it "put_ushort(#{offset}, #{i}).get_ushort(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_ushort(offset, i).get_ushort(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_ushort(offset, i).get_ushort(offset).should == i
       end
     end
   end
@@ -67,7 +80,7 @@
   [0, 1, 128, 32767, 0x7ffffff ].each do |i|
     (0..bufsize-4).each do |offset|
       it "put_int(#{offset}, #{i}).get_int(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_int(offset, i).get_int(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_int(offset, i).get_int(offset).should == i
       end
     end
   end
@@ -77,7 +90,7 @@
   [ 0, 1, 128, 32767, 65535, 0xfee1dead, 0xcafebabe, 0xffffffff ].each do |i|
     (0..bufsize-4).each do |offset|
       it "put_uint(#{offset}, #{i}).get_uint(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_uint(offset, i).get_uint(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_uint(offset, i).get_uint(offset).should == i
       end
     end
   end
@@ -85,9 +98,9 @@
 describe "Buffer#put_long" do
   bufsize = 16
   [0, 1, 128, 32767, 0x7ffffff ].each do |i|
-    (0..bufsize-LongSize).each do |offset|
+    (0..bufsize-FFI::Type::LONG.size).each do |offset|
       it "put_long(#{offset}, #{i}).get_long(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_long(offset, i).get_long(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_long(offset, i).get_long(offset).should == i
       end
     end
   end
@@ -95,9 +108,9 @@
 describe "Buffer#put_ulong" do
   bufsize = 16
   [ 0, 1, 128, 32767, 65535, 0xfee1dead, 0xcafebabe, 0xffffffff ].each do |i|
-    (0..bufsize-LongSize).each do |offset|
+    (0..bufsize-FFI::Type::LONG.size).each do |offset|
       it "put_ulong(#{offset}, #{i}).get_ulong(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_ulong(offset, i).get_ulong(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_ulong(offset, i).get_ulong(offset).should == i
       end
     end
   end
@@ -107,7 +120,7 @@
   [0, 1, 128, 32767, 0x7ffffffffffffff ].each do |i|
     (0..bufsize-8).each do |offset|
       it "put_long_long(#{offset}, #{i}).get_long_long(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_long_long(offset, i).get_long_long(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_long_long(offset, i).get_long_long(offset).should == i
       end
     end
   end
@@ -117,7 +130,7 @@
   [ 0, 1, 128, 32767, 65535, 0xdeadcafebabe, 0x7fffffffffffffff ].each do |i|
     (0..bufsize-8).each do |offset|
       it "put_ulong_long(#{offset}, #{i}).get_ulong_long(#{offset}) == #{i}" do
-        Buffer.alloc_in(bufsize).put_ulong_long(offset, i).get_ulong_long(offset).should == i
+        FFI::Buffer.alloc_in(bufsize).put_ulong_long(offset, i).get_ulong_long(offset).should == i
       end
     end
   end
@@ -185,9 +198,9 @@
 end
 describe "Buffer#put_pointer" do
   it "put_pointer(0, p).get_pointer(0) == p" do
-    p = MemoryPointer.new :ulong_long
+    p = FFI::MemoryPointer.new :ulong_long
     p.put_uint(0, 0xdeadbeef)
-    buf = Buffer.alloc_inout 8
+    buf = FFI::Buffer.alloc_inout 8
     p2 = buf.put_pointer(0, p).get_pointer(0)
     p2.should_not be_nil
     p2.should == p
diff --git a/spec/ffi/callback_spec.rb b/spec/ffi/callback_spec.rb
index c9da3a845..8a0f29caf 100644
--- a/spec/ffi/callback_spec.rb
+++ b/spec/ffi/callback_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe "Callback" do
diff --git a/spec/ffi/custom_param_type.rb b/spec/ffi/custom_param_type.rb
index 7fc833098..624ba7921 100644
--- a/spec/ffi/custom_param_type.rb
+++ b/spec/ffi/custom_param_type.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe "functions with custom parameter types" do
diff --git a/spec/ffi/custom_type_spec.rb b/spec/ffi/custom_type_spec.rb
index 115cf8168..e350a4a0b 100644
--- a/spec/ffi/custom_type_spec.rb
+++ b/spec/ffi/custom_type_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe "functions with custom types" do
diff --git a/spec/ffi/enum_spec.rb b/spec/ffi/enum_spec.rb
index 0a7dbc991..6bbb898c3 100644
--- a/spec/ffi/enum_spec.rb
+++ b/spec/ffi/enum_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 module TestEnum0
diff --git a/spec/ffi/errno_spec.rb b/spec/ffi/errno_spec.rb
index 13f4b079c..d9a0b8685 100644
--- a/spec/ffi/errno_spec.rb
+++ b/spec/ffi/errno_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "FFI.errno" do
   module LibTest
diff --git a/spec/ffi/ffi_spec.rb b/spec/ffi/ffi_spec.rb
index 097b66768..e28446a89 100644
--- a/spec/ffi/ffi_spec.rb
+++ b/spec/ffi/ffi_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe "FFI" do
diff --git a/spec/ffi/library_spec.rb b/spec/ffi/library_spec.rb
index 7d9ce251b..fa4eff7d1 100644
--- a/spec/ffi/library_spec.rb
+++ b/spec/ffi/library_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "Library" do
 
diff --git a/spec/ffi/managed_struct_spec.rb b/spec/ffi/managed_struct_spec.rb
index ef63bc22e..b32f25868 100644
--- a/spec/ffi/managed_struct_spec.rb
+++ b/spec/ffi/managed_struct_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 require 'java' if RUBY_PLATFORM =~ /java/
 
diff --git a/spec/ffi/number_spec.rb b/spec/ffi/number_spec.rb
index cfa7c7a4c..ffca8f874 100644
--- a/spec/ffi/number_spec.rb
+++ b/spec/ffi/number_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "Function with primitive integer arguments" do
   module LibTest
diff --git a/spec/ffi/strptr_spec.rb b/spec/ffi/strptr_spec.rb
index 38f93c198..e4aebc71d 100644
--- a/spec/ffi/strptr_spec.rb
+++ b/spec/ffi/strptr_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe "functions returning :strptr" do
diff --git a/spec/ffi/struct_callback_spec.rb b/spec/ffi/struct_callback_spec.rb
index 3c143fb87..1e6d4be46 100644
--- a/spec/ffi/struct_callback_spec.rb
+++ b/spec/ffi/struct_callback_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe FFI::Struct, ' with inline callback functions' do
diff --git a/spec/ffi/struct_initialize_spec.rb b/spec/ffi/struct_initialize_spec.rb
index 0e91bc003..816718afd 100644
--- a/spec/ffi/struct_initialize_spec.rb
+++ b/spec/ffi/struct_initialize_spec.rb
@@ -13,6 +13,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
 #
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe FFI::Struct, ' with an initialize function' do
diff --git a/spec/ffi/struct_packed_spec.rb b/spec/ffi/struct_packed_spec.rb
index 2e89c24f7..fd4ebcd2c 100644
--- a/spec/ffi/struct_packed_spec.rb
+++ b/spec/ffi/struct_packed_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 describe FFI::Struct do
diff --git a/spec/ffi/struct_spec.rb b/spec/ffi/struct_spec.rb
index dca42547d..8711e99bb 100644
--- a/spec/ffi/struct_spec.rb
+++ b/spec/ffi/struct_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "Struct tests" do
   StructTypes = {
diff --git a/spec/ffi/typedef_spec.rb b/spec/ffi/typedef_spec.rb
index f73e4246d..3b272ab76 100644
--- a/spec/ffi/typedef_spec.rb
+++ b/spec/ffi/typedef_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "Custom type definitions" do
   it "attach_function with custom typedef" do
diff --git a/spec/ffi/union_spec.rb b/spec/ffi/union_spec.rb
index 5cb15aaee..9b78ea6c4 100644
--- a/spec/ffi/union_spec.rb
+++ b/spec/ffi/union_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 
 module LibTest
diff --git a/spec/ffi/variadic_spec.rb b/spec/ffi/variadic_spec.rb
index abaab69f9..cb2d07392 100644
--- a/spec/ffi/variadic_spec.rb
+++ b/spec/ffi/variadic_spec.rb
@@ -1,3 +1,19 @@
+#
+# This file is part of ruby-ffi.
+#
+# This code is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License version 3 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+# version 3 for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# version 3 along with this work.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 require File.expand_path(File.join(File.dirname(__FILE__), "spec_helper"))
 describe "Function with variadic arguments" do
   module LibTest