--- sysklogd-1.4.2/syslog.c.orig
+++ sysklogd-1.4.2/syslog.c
@@ -89,10 +89,7 @@
 }
 
 void
-vsyslog(pri, fmt, ap)
-	int pri;
-	const char *fmt;
-	va_list ap;
+__vsyslog_chk(int pri, int flag, const char *fmt, va_list ap)
 {
 	register int cnt;
 	register char *p;
@@ -193,6 +190,22 @@
 	(void)close(fd);
 }
 
+void
+__syslog_chk(int pri, int flag, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	__vsyslog_chk(pri, flag, fmt, ap);
+	va_end(ap);
+}
+
+void
+vsyslog(int pri, const char *fmt, va_list ap)
+{
+	__vsyslog_chk (pri, -1, fmt, ap);
+}
+
 #ifndef TESTING
 static struct sockaddr SyslogAddr;	/* AF_UNIX address of local logger */
 #endif