===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/m4/extern.h,v
retrieving revision 1.54
retrieving revision 1.55
diff -u -r1.54 -r1.55
--- src/usr.bin/m4/extern.h	2014/05/12 19:11:19	1.54
+++ src/usr.bin/m4/extern.h	2017/06/15 13:48:42	1.55
@@ -1,4 +1,4 @@
-/*	$OpenBSD: extern.h,v 1.54 2014/05/12 19:11:19 espie Exp $	*/
+/*	$OpenBSD: extern.h,v 1.55 2017/06/15 13:48:42 bcallah Exp $	*/
 /*	$NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $	*/
 
 /*-
@@ -58,6 +58,8 @@
 extern void getdivfile(const char *);
 extern void doformat(const char *[], int);
 
+extern void m4_warnx(const char *, ...);
+
 /* look.c */
 
 #define FLAG_UNTRACED 0
@@ -175,4 +177,6 @@
 
 extern int mimic_gnu;		/* behaves like gnu-m4 */
 extern int prefix_builtins;	/* prefix builtin macros with m4_ */
+extern int error_warns;		/* make warnings cause exit_code = 1 */
+extern int fatal_warns;		/* make warnings fatal */