diff --git a/sys/src/libz/upstream/gzread.c b/sys/src/libz/upstream/gzread.c
diff --git a/sys/src/libz/upstream/gzwrite.c b/sys/src/libz/upstream/gzwrite.c
diff --git a/sys/src/libz/upstream/infback.c b/sys/src/libz/upstream/infback.c
diff --git a/sys/src/libz/upstream/inffast.c b/sys/src/libz/upstream/inffast.c
diff --git a/sys/src/libz/upstream/inffast.h b/sys/src/libz/upstream/inffast.h
diff --git a/sys/src/libz/upstream/inffixed.h b/sys/src/libz/upstream/inffixed.h
diff --git a/sys/src/libz/upstream/inflate.c b/sys/src/libz/upstream/inflate.c
diff --git a/sys/src/libz/upstream/inflate.h b/sys/src/libz/upstream/inflate.h
diff --git a/sys/src/libz/upstream/inftrees.c b/sys/src/libz/upstream/inftrees.c
diff --git a/sys/src/libz/upstream/inftrees.h b/sys/src/libz/upstream/inftrees.h
diff --git a/sys/src/libz/upstream/make_vms.com b/sys/src/libz/upstream/make_vms.com
diff --git a/sys/src/libz/upstream/test/example.c b/sys/src/libz/upstream/test/example.c
diff --git a/sys/src/libz/upstream/test/infcover.c b/sys/src/libz/upstream/test/infcover.c
diff --git a/sys/src/libz/upstream/test/minigzip.c b/sys/src/libz/upstream/test/minigzip.c
diff --git a/sys/src/libz/upstream/treebuild.xml b/sys/src/libz/upstream/treebuild.xml
diff --git a/sys/src/libz/upstream/trees.c b/sys/src/libz/upstream/trees.c
diff --git a/sys/src/libz/upstream/trees.h b/sys/src/libz/upstream/trees.h
diff --git a/sys/src/libz/upstream/uncompr.c b/sys/src/libz/upstream/uncompr.c
diff --git a/sys/src/libz/upstream/zconf.h b/sys/src/libz/upstream/zconf.h
diff --git a/sys/src/libz/upstream/zconf.h.cmakein b/sys/src/libz/upstream/zconf.h.cmakein
diff --git a/sys/src/libz/upstream/zconf.h.in b/sys/src/libz/upstream/zconf.h.in
diff --git a/sys/src/libz/upstream/zlib.3 b/sys/src/libz/upstream/zlib.3
diff --git a/sys/src/libz/upstream/zlib.3.pdf b/sys/src/libz/upstream/zlib.3.pdf
diff --git a/sys/src/libz/upstream/zlib.h b/sys/src/libz/upstream/zlib.h
diff --git a/sys/src/libz/upstream/zlib.map b/sys/src/libz/upstream/zlib.map
diff --git a/sys/src/libz/upstream/zlib.pc.cmakein b/sys/src/libz/upstream/zlib.pc.cmakein
diff --git a/sys/src/libz/upstream/zlib.pc.in b/sys/src/libz/upstream/zlib.pc.in
diff --git a/sys/src/libz/upstream/zlib2ansi b/sys/src/libz/upstream/zlib2ansi
diff --git a/sys/src/libz/upstream/zutil.c b/sys/src/libz/upstream/zutil.c
diff --git a/sys/src/libz/upstream/zutil.h b/sys/src/libz/upstream/zutil.h
diff --git a/sys/src/libz/vendor.json b/sys/src/libz/vendor.json
diff --git a/sys/src/libz/zconf.h b/sys/src/libz/zconf.h