$OpenBSD: patch-scm_repl_c,v 1.2 2001/02/03 20:42:47 espie Exp $
--- repl.c.orig	Thu Mar 30 21:06:07 2000
+++ repl.c	Tue Jan 30 14:44:45 2001
@@ -53,6 +53,11 @@ void	scm_fill_freelist P((void));
 # include <sys/types.h>
 #endif
 
+#ifdef __OpenBSD__
+# include <ctype.h>
+# include <unistd.h>
+#endif
+
 #ifdef ARM_ULIB
 # include <termio.h>
 int set_erase()
@@ -1452,7 +1457,7 @@ void init_sbrk()
 }
 void scm_brk_report()
 {
-  unsigned long scm_curbrk = sbrk(0),
+  unsigned long scm_curbrk = (unsigned long)sbrk(0),
     dif1 = ((dumped ? scm_dumped_brk : scm_curbrk) - scm_init_brk)/1024,
     dif2 = (scm_curbrk - scm_dumped_brk)/1024;