compat: add compat.h header to get forward declarations

src/compat/asprintf.c

@@ -22,6 +22,7 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <limits.h>
+#include "compat.h"
 
 #define INIT_SZ 128
 

src/compat/daemon.c

@@ -34,6 +34,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include "compat.h"
 
 int
 daemon(int nochdir, int noclose)

src/compat/getline.c

@@ -36,6 +36,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include "compat.h"
 
 #define MINBUF 128
 

src/compat/malloc.c

@@ -4,6 +4,7 @@
 #undef malloc
 #include <stdlib.h>
 #include <sys/types.h>
+#include "compat.h"
 
 /* Allocate an N-byte block of memory from the heap.
    If N is zero, allocate a 1-byte block.  */

src/compat/realloc.c

@@ -4,6 +4,7 @@
 #undef realloc
 #include <stdlib.h>
 #include <sys/types.h>
+#include "compat.h"
 
 /* Reallocate an N-byte block of memory from the heap.
    If N is zero, allocate a 1-byte block.  */

src/compat/setproctitle.c

@@ -1,5 +1,7 @@
 /* -*- mode: c; c-file-style: "openbsd" -*- */
 
+#include "compat.h"
+
 void
 setproctitle(const char *fmt, ...)
 {

src/compat/strlcpy.c

@@ -19,6 +19,7 @@
 
 #include <sys/types.h>
 #include <string.h>
+#include "compat.h"
 
 /*
  * Copy src to string dst of size siz.  At most siz-1 characters

src/compat/strndup.c

@@ -2,6 +2,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include "compat.h"
 
 /*
  * Similar to `strdup()` but copies at most n bytes.

src/compat/strnlen.c

@@ -1,6 +1,7 @@
 /* -*- mode: c; c-file-style: "openbsd" -*- */
 
 #include <string.h>
+#include "compat.h"
 
 /*
  * Determine the length of a fixed-size string. This is really a

src/compat/strtonum.c

@@ -22,6 +22,7 @@
 #include <errno.h>
 #include <limits.h>
 #include <stdlib.h>
+#include "compat.h"
 
 #define INVALID 1
 #define TOOSMALL 2