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-rw-r--r--nullshell.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/nullshell.c b/nullshell.c
index 7422b4a..ef054ab 100644
--- a/nullshell.c
+++ b/nullshell.c
@@ -8,6 +8,8 @@
* by Mario A. Valdez-Ramirez (http://www.mariovaldez.net/)
*/
+#define _GNU_SOURCE
+
#include <inttypes.h>
#include <signal.h>
#include <stdio.h>