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- #ifndef __STDDEF_H
- #define __STDDEF_H
- #ifndef NULL
- #ifdef __cplusplus
- #define NULL 0
- #else
- #define NULL ((void*)0)
- #endif
- #endif
- #ifndef offsetof
- #define offsetof(ty,mem) ((size_t) &(((ty *)0)->mem))
- #endif
- typedef long ptrdiff_t;
- #ifndef _SIZE_T
- #define _SIZE_T
- typedef unsigned long size_t;
- #endif
- #ifndef _WCHAR_T
- #define _WCHAR_T
- typedef unsigned short wchar_t;
- #endif
- #endif /* __STDDEF_H */
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