diff --git a/lib/libc/gen/err.c b/lib/libc/gen/err.c
index b434aa6bbd6c..8ca2a9e3b7e7 100644
--- a/lib/libc/gen/err.c
+++ b/lib/libc/gen/err.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: err.c,v 1.19 2002/01/31 22:43:37 tv Exp $	*/
+/*	$NetBSD: err.c,v 1.20 2002/04/22 23:31:44 bjh21 Exp $	*/
 
 /*-
  * Copyright (c) 1993
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)err.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: err.c,v 1.19 2002/01/31 22:43:37 tv Exp $");
+__RCSID("$NetBSD: err.c,v 1.20 2002/04/22 23:31:44 bjh21 Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -69,7 +69,7 @@ _err(va_alist)
 #endif
 {
 	va_list ap;
-#if __STDC__
+#ifdef __STDC__
 	va_start(ap, fmt);
 #else
 	int eval;
diff --git a/lib/libc/gen/errx.c b/lib/libc/gen/errx.c
index 19921c5fb1fb..dfb199add801 100644
--- a/lib/libc/gen/errx.c
+++ b/lib/libc/gen/errx.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: errx.c,v 1.7 2002/01/31 22:43:37 tv Exp $	*/
+/*	$NetBSD: errx.c,v 1.8 2002/04/22 23:31:44 bjh21 Exp $	*/
 
 /*-
  * Copyright (c) 1993
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)err.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: errx.c,v 1.7 2002/01/31 22:43:37 tv Exp $");
+__RCSID("$NetBSD: errx.c,v 1.8 2002/04/22 23:31:44 bjh21 Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -61,7 +61,7 @@ __weak_alias(errx, _errx)
 #endif
 
 __dead void
-#if __STDC__
+#ifdef __STDC__
 _errx(int eval, const char *fmt, ...)
 #else
 _errx(va_alist)
@@ -69,7 +69,7 @@ _errx(va_alist)
 #endif
 {
 	va_list ap;
-#if __STDC__
+#ifdef __STDC__
 	va_start(ap, fmt);
 #else
 	int eval;
diff --git a/lib/libc/gen/warn.c b/lib/libc/gen/warn.c
index 8168f2013dac..3544d0d5a67e 100644
--- a/lib/libc/gen/warn.c
+++ b/lib/libc/gen/warn.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: warn.c,v 1.7 2002/01/31 22:43:39 tv Exp $	*/
+/*	$NetBSD: warn.c,v 1.8 2002/04/22 23:31:44 bjh21 Exp $	*/
 
 /*-
  * Copyright (c) 1993
@@ -38,7 +38,7 @@
 #if 0
 static char sccsid[] = "@(#)err.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: warn.c,v 1.7 2002/01/31 22:43:39 tv Exp $");
+__RCSID("$NetBSD: warn.c,v 1.8 2002/04/22 23:31:44 bjh21 Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -69,7 +69,7 @@ _warn(va_alist)
 #endif
 {
 	va_list ap;
-#if __STDC__
+#ifdef __STDC__
 	va_start(ap, fmt);
 #else
 	const char *fmt;