$NetBSD: patch-ag,v 1.5 2002/07/28 05:49:29 schmonz Exp $

--- pine/osdep/os-osx.h.orig	Tue Feb  6 19:53:14 2001
+++ pine/osdep/os-osx.h
@@ -298,5 +298,6 @@ void free();
 #define MAX_ADDR_EXPN   (1000)  /* Longest expanded addr                    */
 #define MAX_ADDR_FIELD (10000)  /* Longest fully-expanded addr field        */
 
+#include <sys/unistd.h>         /* needed for F_OK and friends              */
 
 #endif /* _OS_INCLUDED */