llvm-project/clang/lib/Headers/stddef.h

44 lines
1.6 KiB
C

/*===---- stddef.h - Basic type definitions --------------------------------===
*
* Copyright (c) 2008 Eli Friedman
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*===-----------------------------------------------------------------------===
*/
#ifndef __STDDEF_H
#define __STDDEF_H
typedef __typeof__(((int*)0)-((int*)0)) ptrdiff_t;
typedef __typeof__(sizeof(int)) size_t;
#ifndef __cplusplus
typedef __typeof__(*L"") wchar_t;
#endif
#ifdef __cplusplus
#define NULL (0)
#else
#define NULL ((void*)0)
#endif
#define offsetof(t, d) __builtin_offsetof(t, d)
#endif /* __STDDEF_H */