/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
#include <semaphore.h>
-void main(void)
+int main(void)
{
sem_t s;
if (sem_init(&s, 0, 0) != 0)