Index: head/tools/regression/tls/ttls4/ttls4.c
===================================================================
--- head/tools/regression/tls/ttls4/ttls4.c	(revision 291983)
+++ head/tools/regression/tls/ttls4/ttls4.c	(revision 291984)
@@ -1,41 +1,44 @@
 /*
  * This program tests if a new thread's initial tls data
  * is clean.
  *
  * David Xu <davidxu@freebsd.org>
  *
  * $FreeBSD$
  */
 
 #include <stdio.h>
 #include <pthread.h>
+#include <stdlib.h>
 #include <unistd.h>
 
 int __thread n;
 
-void *f1(void *arg)
+void
+*f1(void *arg)
 {
 	if (n != 0) {
 		printf("bug, n == %d \n", n);
 		exit(1);
 	}
 	n = 1;
 	return (0);
 }
 
-int main()
+int
+main(void)
 {
 	pthread_t td;
 	int i;
 
 	for (i = 0; i < 1000; ++i) {
 		pthread_create(&td, NULL, f1, NULL);
 		pthread_join(td, NULL);
 	}
 	sleep(2);
 	for (i = 0; i < 1000; ++i) {
 		pthread_create(&td, NULL, f1, NULL);
 		pthread_join(td, NULL);
 	}
 	return (0);
 }