assert.h

C语言库函数的原型,有用的拿去

/***
*assert.h - define the assert macro
*
*       Copyright (c) Microsoft Corporation. All rights reserved.
*
*Purpose:
*       Defines the assert(exp) macro.
*       [ANSI/System V]
*
*       [Public]
*
****/

#ifndef _CRTBLD
/* This version of the header files is NOT for user programs.
 * It is intended for use when building the C runtimes ONLY.
 * The version intended for public use will not have this message.
 */
#error ERROR: Use of C runtime library internal header file.
#endif  /* _CRTBLD */
#ifndef _INTERNAL_IFSTRIP_
#ifndef _ASSERT_OK
#error assert.h not for CRT internal use, use dbgint.h
#endif  /* _ASSERT_OK */
#include <cruntime.h>
#endif  /* _INTERNAL_IFSTRIP_ */
#include <crtdefs.h>

#undef  assert

#ifdef NDEBUG

#define assert(_Expression)     ((void)0)

#else  /* NDEBUG */

#ifdef __cplusplus
extern "C" {
#endif  /* __cplusplus */

_CRTIMP void __cdecl _wassert(_In_z_ const wchar_t * _Message, _In_z_ const wchar_t *_File, _In_ unsigned _Line);

#ifdef __cplusplus
}
#endif  /* __cplusplus */

#define assert(_Expression) (void)( (!!(_Expression)) || (_wassert(_CRT_WIDE(#_Expression), _CRT_WIDE(__FILE__), __LINE__), 0) )

#endif  /* NDEBUG */