71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
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/***
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*limits.h - implementation dependent values
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*
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* Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Contains defines for a number of implementation dependent values
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* which are commonly used in C programs.
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* [ANSI]
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*
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****/
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#ifndef _INC_LIMITS
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#define CHAR_BIT 8 /* number of bits in a char */
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#define SCHAR_MIN (-128) /* minimum signed char value */
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#define SCHAR_MAX 127 /* maximum signed char value */
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#define UCHAR_MAX 0xff /* maximum unsigned char value */
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#ifndef _CHAR_UNSIGNED
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#define CHAR_MIN SCHAR_MIN /* mimimum char value */
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#define CHAR_MAX SCHAR_MAX /* maximum char value */
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#else
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#define CHAR_MIN 0
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#define CHAR_MAX UCHAR_MAX
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#endif /* _CHAR_UNSIGNED */
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#define MB_LEN_MAX 2 /* max. # bytes in multibyte char */
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#define SHRT_MIN (-32768) /* minimum (signed) short value */
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#define SHRT_MAX 32767 /* maximum (signed) short value */
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#define USHRT_MAX 0xffff /* maximum unsigned short value */
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#define INT_MIN (-2147483647 - 1) /* minimum (signed) int value */
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#define INT_MAX 2147483647 /* maximum (signed) int value */
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#define UINT_MAX 0xffffffff /* maximum unsigned int value */
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#define LONG_MIN (-2147483647 - 1) /* minimum (signed) long value */
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#define LONG_MAX 2147483647 /* maximum (signed) long value */
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#define ULONG_MAX 0xffffffff /* maximum unsigned long value */
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#ifdef _POSIX_
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#define _POSIX_ARG_MAX 4096
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#define _POSIX_CHILD_MAX 6
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#define _POSIX_LINK_MAX 8
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#define _POSIX_MAX_CANON 255
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#define _POSIX_MAX_INPUT 255
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#define _POSIX_NAME_MAX 14
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#define _POSIX_NGROUPS_MAX 0
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#define _POSIX_OPEN_MAX 16
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#define _POSIX_PATH_MAX 255
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#define _POSIX_PIPE_BUF 512
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#define _POSIX_SSIZE_MAX 32767
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#define _POSIX_STREAM_MAX 8
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#define _POSIX_TZNAME_MAX 3
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#define ARG_MAX 14500 /* 16k heap, minus overhead */
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#define MAX_CANON _POSIX_MAX_CANON
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#define MAX_INPUT _POSIX_MAX_INPUT
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#define NAME_MAX 255
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#define NGROUPS_MAX 16
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#define OPEN_MAX 32
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#define PATH_MAX 512
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#define PIPE_BUF _POSIX_PIPE_BUF
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#define SSIZE_MAX _POSIX_SSIZE_MAX
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#define STREAM_MAX 20
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#define TZNAME_MAX 10
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#endif /* POSIX */
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#define _INC_LIMITS
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#endif /* _INC_LIMITS */
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