From 7560c0182093f8098a5e3f8aa7292c83958dfd6f Mon Sep 17 00:00:00 2001
From: Orestis <orestis.malaspinas@pm.me>
Date: Tue, 23 Nov 2021 23:41:30 +0100
Subject: [PATCH] stack null

---
 slides/cours_9.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/slides/cours_9.md b/slides/cours_9.md
index 4e83cd7..8f5474e 100644
--- a/slides/cours_9.md
+++ b/slides/cours_9.md
@@ -535,7 +535,7 @@ typedef element* stack;
 . . .
 
 ```C
-stack stack_create(); // return NULL;
+void stack_create(stack *s); // *s = NULL;
 void stack_destroy(stack *s);
 void stack_push(stack *s, int val);
 void stack_pop(stack *s, int *val);
-- 
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