$OpenBSD: patch-scm_ioext_c,v 1.2 2001/02/03 20:42:46 espie Exp $
--- ioext.c.orig	Tue Jan 30 12:57:54 2001
+++ ioext.c	Tue Jan 30 12:58:30 2001
@@ -70,6 +70,9 @@ SCM	stat2scm P((struct stat *stat_temp))
 #ifdef __FreeBSD__
 # include <unistd.h>
 #endif
+#ifdef __OpenBSD__
+# include <unistd.h>
+#endif
 /* added by Denys Duchier */
 #ifdef __SVR4
 # include <sys/types.h>
