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biwakonbu/example_1.c

Created January 20, 2013 18:51
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C 言語に於けるグローバル変数の定義方法 ref: http://qiita.com/items/e485ca8b202a7b1f7851
Raw
example_1.c
#define GLOBAL_VALIABLE_DEFINE
#include "global.h"
Raw
example_2.c
#include "global.h"
Raw
global.h
#ifndef GLOBAL_H_INCLUDED
#define GLOBAL_H_INCLUDED
#ifdef GLOBAL_VALIABLE_DEFINE
#define GLOBAL
#else
#define GLOBAL extern
#endif
GLOBAL int global_valiable;
#endif /* GLOBAL_H_INCLUDED */
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