1 files changed, 2 insertions, 0 deletions

diff --git a/sig.c b/sig.c
index 1ab0bbb..5076dcf 100644
--- a/sig.c
+++ b/sig.c
@@ -1,6 +1,8 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 
 int main()
 {