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- /* Implementation-defined limits */
-
- #if __STDC__
- #define Signed signed
- #else
- #define Signed
- #endif
-
- #define CHAR_BIT 8
-
- #define _S_MIN(type) (-(Signed type)((unsigned type) ~0 >> 1) - 1)
- #define _S_MAX(type) ((Signed type)((unsigned type) ~0 >> 1))
-
- #define UCHAR_MIN ((unsigned char) 0)
- #define UCHAR_MAX ((unsigned char) ~0)
- #define SCHAR_MIN _S_MIN(char)
- #define SCHAR_MAX _S_MAX(char)
-
- /* some PCC compilers don't like the "elegant" definition of _UCHAR */
- /* let the poor user provide -D_UCHAR=0 or 1 */
- #ifndef _UCHAR
- #define _UCHAR ((char) ~0 == (unsigned char) ~0)
- #endif
- #define CHAR_MIN (_UCHAR ? UCHAR_MIN : SCHAR_MIN)
- #define CHAR_MAX (_UCHAR ? UCHAR_MAX : SCHAR_MAX)
-
- #define USHRT_MAX ((unsigned short) ~0)
- #define SHRT_MIN _S_MIN(short)
- #define SHRT_MAX _S_MAX(short)
-
- #define UINT_MAX ((unsigned int) ~0)
- #define INT_MIN _S_MIN(int)
- #define INT_MAX _S_MAX(int)
-
- #define ULONG_MAX ((unsigned long) ~0)
- #define LONG_MIN _S_MIN(long)
- #define LONG_MAX _S_MAX(long)
-
-