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Annotation of gcc/gstddef.h, revision 1.1.1.2

1.1       root        1: #ifndef _STDDEF_H
                      2: #ifndef _STDDEF_H_
                      3: #define _STDDEF_H
                      4: #define _STDDEF_H_
                      5: 
                      6: #ifndef __sys_stdtypes_h
                      7: /* This avoids lossage on Sunos but only if stdtypes.h comes first.
                      8:    There's no way to win with the other order!  Sun lossage.  */
                      9: 
                     10: /* In case nobody has defined these types, but we aren't running under
                     11:    GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE__TYPE__, and
                     12:    __WCHAR_TYPE__ have reasonable values.  This can happen if the
                     13:    parts of GCC is compiled by an older compiler, that actually
                     14:    include gstddef.h, such as collect2.  */
                     15: 
                     16: /* Signed type of difference of two pointers.  */
                     17: 
                     18: #ifndef _PTRDIFF_T     /* in case <sys/types.h> has defined it. */
1.1.1.2 ! root       19: #ifndef _T_PTRDIFF_
1.1       root       20: #ifndef _T_PTRDIFF
                     21: #ifndef __PTRDIFF_T
                     22: #ifndef _PTRDIFF_T_
                     23: #ifndef ___int_ptrdiff_t_h
1.1.1.2 ! root       24: #ifndef _GCC_PTRDIFF_T
1.1       root       25: #define _PTRDIFF_T
1.1.1.2 ! root       26: #define _T_PTRDIFF_
1.1       root       27: #define _T_PTRDIFF
                     28: #define __PTRDIFF_T
                     29: #define _PTRDIFF_T_
                     30: #define ___int_ptrdiff_t_h
1.1.1.2 ! root       31: #define _GCC_PTRDIFF_T
1.1       root       32: #ifndef __PTRDIFF_TYPE__
                     33: #define __PTRDIFF_TYPE__ long int
                     34: #endif
                     35: typedef __PTRDIFF_TYPE__ ptrdiff_t;
1.1.1.2 ! root       36: #endif /* _GCC_PTRDIFF_T */
1.1       root       37: #endif /* ___int_ptrdiff_t_h */
                     38: #endif /* _PTRDIFF_T_ */
                     39: #endif /* __PTRDIFF_T */
                     40: #endif /* _T_PTRDIFF */
1.1.1.2 ! root       41: #endif /* _T_PTRDIFF_ */
1.1       root       42: #endif /* _PTRDIFF_T */
                     43: 
                     44: /* Unsigned type of `sizeof' something.  */
                     45: 
                     46: #ifndef _SIZE_T        /* in case <sys/types.h> has defined it. */
1.1.1.2 ! root       47: #ifndef _T_SIZE_
1.1       root       48: #ifndef _T_SIZE
                     49: #ifndef __SIZE_T
                     50: #ifndef _SIZE_T_
                     51: #ifndef ___int_size_t_h
1.1.1.2 ! root       52: #ifndef _GCC_SIZE_T
1.1       root       53: #define _SIZE_T
1.1.1.2 ! root       54: #define _T_SIZE_
1.1       root       55: #define _T_SIZE
                     56: #define __SIZE_T
                     57: #define _SIZE_T_
                     58: #define ___int_size_t_h
1.1.1.2 ! root       59: #define _GCC_SIZE_T
1.1       root       60: #ifndef __SIZE_TYPE__
                     61: #define __SIZE_TYPE__ long unsigned int
                     62: #endif
                     63: typedef __SIZE_TYPE__ size_t;
1.1.1.2 ! root       64: #endif /* _GCC_SIZE_T */
1.1       root       65: #endif /* ___int_size_t_h */
                     66: #endif /* _SIZE_T_ */
                     67: #endif /* __SIZE_T */
                     68: #endif /* _T_SIZE */
1.1.1.2 ! root       69: #endif /* _T_SIZE_ */
1.1       root       70: #endif /* _SIZE_T */
                     71: 
                     72: /* Data type for wide chars.  */
                     73: 
                     74: #ifndef _WCHAR_T
                     75: #ifndef _T_WCHAR_
                     76: #ifndef _T_WCHAR
                     77: #ifndef __WCHAR_T
                     78: #ifndef _WCHAR_T_
                     79: #ifndef ___int_wchar_t_h
1.1.1.2 ! root       80: #ifndef _GCC_WCHAR_T
1.1       root       81: #define _WCHAR_T
                     82: #define _T_WCHAR_
                     83: #define _T_WCHAR
                     84: #define __WCHAR_T
                     85: #define _WCHAR_T_
                     86: #define ___int_wchar_t_h
1.1.1.2 ! root       87: #define _GCC_WCHAR_T
1.1       root       88: #ifndef __WCHAR_TYPE__
                     89: #define __WCHAR_TYPE__ int
                     90: #endif
                     91: typedef __WCHAR_TYPE__ wchar_t;
                     92: #endif
                     93: #endif
                     94: #endif
                     95: #endif
                     96: #endif
                     97: #endif
1.1.1.2 ! root       98: #endif
1.1       root       99: 
                    100: #endif /* __sys_stdtypes_h */
                    101: 
                    102: /* A null pointer constant.  */
                    103: 
                    104: #undef NULL            /* in case <stdio.h> has defined it. */
                    105: #define NULL ((void *)0)
                    106: 
                    107: /* Offset of member MEMBER in a struct of type TYPE.  */
                    108: 
                    109: #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
                    110: 
                    111: #endif /* _STDDEF_H_ */
                    112: #endif /* _STDDEF_H */

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