From fc7c1dab34261fe195f2f4186c39a5686ca6ab53 Mon Sep 17 00:00:00 2001
From: FreeBirdLjj <ljj11011@mail.ustc.edu.cn>
Date: Sun, 28 Sep 2014 20:37:36 +0800
Subject: [PATCH] Replace ((void*)0) with NULL.

---
 src/cstack.c  | 2 +-
 src/cstring.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/cstack.c b/src/cstack.c
index 0043b5c..a5ecc06 100644
--- a/src/cstack.c
+++ b/src/cstack.c
@@ -25,7 +25,7 @@
 
 cstack_t *cstack_init() {
     cstack_t *stack = malloc(sizeof(cstack_t));
-    stack->content = (void*)0;
+    stack->content = NULL;
     stack->alloc = stack->size = 0;
     stack->head = -1;
     stack->push = cstack_push;
diff --git a/src/cstring.c b/src/cstring.c
index 59c549c..6d16d2b 100644
--- a/src/cstring.c
+++ b/src/cstring.c
@@ -26,7 +26,7 @@
 
 cstring_t *cstring_init() {
     cstring_t *x = malloc(sizeof(cstring_t));
-    x->text = (void*)0;
+    x->text = NULL;
     x->size = x->alloc = 0;
     x->expand = cstring_expand;
     x->expand_arr = cstring_expand_arr;
@@ -57,7 +57,7 @@ void cstring_expand_arr(cstring_t *self, char *x) {
 
 void cstring_reset(cstring_t *self) {
     free(self->text);
-    self->text = (void*)0;
+    self->text = NULL;
     self->size = self->alloc = 0;
 }
 
-- 
2.20.1