Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: crtem.h
//
// Contents: 'C' Run Time Emulation Definitions
//
// History: 03-Jun-96 philh created
//--------------------------------------------------------------------------
#ifndef __CRTEM_H__
#define __CRTEM_H__
///////////////////////////////////////////////////////////////////////
//
// Definitions that help reduce our dependence on the C runtimes
//
#define wcslen(sz) lstrlenW(sz) // yes it IS implemented by Win95
#define strlen(sz) lstrlenA(sz)
#define strcpy(s1,s2) lstrcpyA(s1,s2)
#define strcmp(s1,s2) lstrcmpA(s1,s2)
#define strcat(s1,s2) lstrcatA(s1,s2)
///////////////////////////////////////////////////////////////////////
//
// C runtime excluders that we only use in non-debug builds
//
////////////////////////////////////////////
//
// enable intrinsics that we can
//
#if !DBG
#ifdef __cplusplus
#ifndef _M_PPC
#pragma intrinsic(memcpy)
#pragma intrinsic(memcmp)
#pragma intrinsic(memset)
#endif
#endif
////////////////////////////////////////////
//
// memory management
//
#define malloc(cb) ((void*)LocalAlloc(LPTR, cb))
#define free(pv) (LocalFree((HLOCAL)pv))
#define realloc(pv, cb) ((void*)LocalReAlloc((HLOCAL)pv, cb, LMEM_MOVEABLE))
#endif // !DBG
#endif