1 files changed, 1 insertions, 0 deletions

diff --git a/main.c b/main.c
index 7ac20b2..24454c7 100644
--- a/main.c
+++ b/main.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>