$OpenBSD: patch-icb_protos_h,v 1.1 2001/05/14 16:42:54 millert Exp $
--- icb/protos.h.orig	Fri Feb 24 14:20:25 1995
+++ icb/protos.h	Mon May 14 10:33:03 2001
@@ -64,7 +64,7 @@ int importantmsg(char *pkt);
 int inserttab(void);
 int ishushed(char *nick);
 int lcaseit(char *s);
-#ifdef linux
+#if defined(linux) || (defined(BSD) && BSD >= 199306)
 int linebuffer(FILE *fp);
 #else
 int linebuffer(struct _iobuf *fp);