Replace 0 for a pointer with NULL

1 files changed, 1 insertions, 1 deletions

diff --git a/main.c b/main.c
index e9a6f80..14d466e 100644
--- a/main.c
+++ b/main.c
@@ -136,7 +136,7 @@ void signalHandler(int sig, void(*func)(int))
     sa.sa_flags = 0;
     sa.sa_handler = func;
 
-    if(sigaction(sig, &sa, 0) == -1)
+    if(sigaction(sig, &sa, NULL) == -1)
     {
         perror("sigaction");
         cleanup();