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#ifndef __DEFER_H__
#define __DEFER_H__
/*
highlight with vim:
echo syn keyword cStatement defer >> ~/.vim/after/syntax/c.vim
*/
#ifndef __unused
#define __unused __attribute__((unused))
#endif
#define __cleanup(f) __attribute__((cleanup(f)))
#define CAT(a, b) CAT_(a, b)
#define CAT_(a, b) a ## b
#define UNIQ(name) CAT(name, __LINE__)
#define defer \
auto void UNIQ(defer_func)(int *); \
int UNIQ(defer_var) __cleanup(UNIQ(defer_func));\
void UNIQ(defer_func)(int *__arg __unused)
#endif
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