Add BSD compatibility functions and headers

Original file locations in the OpenBSD tree:
 - lib/libc/stdlib/reallocarray.c
 - lib/libc/stdlib/strtonum.c
 - lib/libc/string/strlcat.c
 - lib/libc/string/strlcpy.c
 - sys/sys/queue.h

1 files changed, 20 insertions, 0 deletions

diff --git a/calmwm.h b/calmwm.h
index a0aeafa..521f8d8 100644
--- a/calmwm.h
+++ b/calmwm.h
@@ -21,6 +21,26 @@
 #ifndef _CALMWM_H_
 #define _CALMWM_H_
 
+#include "queue.h"
+
+void *reallocarray(void *, size_t, size_t);
+
+#ifdef strlcat
+#define HAVE_STRLCAT
+#else
+size_t strlcat(char *, const char *, size_t);
+#endif
+#ifdef strlcpy
+#define HAVE_STRLCPY
+#else
+size_t strlcpy(char *, const char *, size_t);
+#endif
+#ifdef strtonum
+#define HAVE_STRTONUM
+#else
+long long strtonum(const char *, long long, long long, const char **);
+#endif
+
 #include <X11/XKBlib.h>
 #include <X11/Xatom.h>
 #include <X11/Xft/Xft.h>