--- icb/protos.h-orig	Fri Feb 24 22:20:25 1995
+++ icb/protos.h	Wed Apr 15 12:07:50 1998
@@ -64,7 +64,7 @@
 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);