Initialization

cv9/snake.c

@@ -10,11 +10,10 @@ struct snake* add_snake(struct snake* snake,int x,int y){
 }
 
 struct snake* remove_snake(struct snake* snake) {
-    struct snake* head;
-    struct snake* this = head;
-    while (head!= NULL) {
-        head = snake->next;
-        free(this);
+    struct snake* temp = snake;
+    if (snake!= NULL) {
+        snake = snake->next;
+        free(temp);
     }
     return snake;
 }