$NetBSD$

--- mapmalloc.c.orig	2003-01-28 12:04:25.000000000 -0800
+++ mapmalloc.c
@@ -54,6 +54,9 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <limits.h>
+#if defined(__INTERIX)
+#include <stdlib.h>
+#endif
 #ifdef	__GLIBC__
 /*
  * Broken GNU libc will include stdlib.h with conflicting
@@ -551,7 +554,11 @@ size_t alignment, size;
 }
 
 /*ARGSUSED*/
+#if defined(__DragonFly__) || defined(__APPLE__)
+void *
+#else
 char *
+#endif
 valloc(size)
 size_t size;
 {
