- define _XOPEN_SOURCE properly Signed-off-by: SSE4 <tomskside@gmail.com>
diff --git a/example.c b/example.c
index 7ac818e..be7f97a 100644
--- a/example.c
+++ b/example.c
@@ -1,4 +1,4 @@
-#define _XOPEN_SOURCE
+#define _XOPEN_SOURCE 500
#include <stdlib.h>
#include <sys/wait.h>