ajout des commentaires.

.vscode/settings.json

@@ -1,5 +0,0 @@
-{
-    "files.associations": {
-        "unistd.h": "c"
-    }
-}

pendu.c

@@ -37,9 +37,13 @@ void display_hangman(int tries) {
     }
 }
 
+/* this function display time out when user does nothing during 30s and verify signal*/
 void sig_handler(int signum){
+    if (signum == SIGALRM){
+
         printf("\ntime out\n");
         exit (1);
+    }
 }
 
 int main() {