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OS/2 Shareware BBS: 10 Tools
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LIMITS.H
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C/C++ Source or Header
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1994-11-09
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3KB
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83 lines
/* limits.h
Defines implementation specific limits on type values.
*/
/*
* C/C++ Run Time Library - Version 1.5
*
* Copyright (c) 1987, 1994 by Borland International
* All Rights Reserved.
*
*/
#ifndef __LIMITS_H
#define __LIMITS_H
#if !defined(___DEFS_H)
#include <_defs.h>
#endif
#define CHAR_BIT 8 /* number of bits in a char */
#define MB_LEN_MAX 2 /* max. # bytes in multibyte char */
#define SCHAR_MIN (-128) /* minimum signed char value */
#define SCHAR_MAX 127 /* maximum signed char value */
#define UCHAR_MAX 255 /* maximum unsigned char value */
#if ('\x80' < 0)
#define CHAR_MIN SCHAR_MIN /* minimum char value */
#define CHAR_MAX SCHAR_MAX /* maximum char value */
#else
#define CHAR_MIN 0
#define CHAR_MAX UCHAR_MAX
#endif
#define SHRT_MIN (-32767-1) /* minimum signed short value */
#define SHRT_MAX 32767 /* maximum signed short value */
#define USHRT_MAX 65535U /* maximum unsigned short value */
#define LONG_MIN (-2147483647L-1) /* minimum signed long value */
#define LONG_MAX 2147483647L /* maximum signed long value */
#define ULONG_MAX 4294967295UL /* maximum unsigned long value */
#define INT_MIN LONG_MIN
#define INT_MAX LONG_MAX
#define UINT_MAX ULONG_MAX
#if defined(_POSIX_)
#define _POSIX_ARG_MAX 4096
#define _POSIX_CHILD_MAX 6
#define _POSIX_LINK_MAX 8
#define _POSIX_MAX_CANON 255
#define _POSIX_MAX_INPUT 255
#define _POSIX_NAME_MAX 14
#define _POSIX_NGROUPS_MAX 0
#define _POSIX_OPEN_MAX 16
#define _POSIX_PATH_MAX 255
#define _POSIX_PIPE_BUF 512
#define _POSIX_SSIZE_MAX 32767
#define _POSIX_STREAM_MAX 8
#define _POSIX_TZNAME_MAX 3
#define ARG_MAX (16384 - 256) /* 16k-(heap overhead+safety) */
#define CHILD_MAX 32
#define LINK_MAX _POSIX_LINK_MAX
#define MAX_CANON _POSIX_MAX_CANON
#define MAX_INPUT _POSIX_MAX_INPUT
#define NAME_MAX 255
#define NGROUPS_MAX 16
#define OPEN_MAX 32
#define PATH_MAX 512
#define PIPE_BUF _POSIX_PIPE_BUF
#define SSIZE_MAX _POSIX_SSIZE_MAX
#define STREAM_MAX 20
#define TZNAME_MAX 10
#endif /* POSIX */
#endif /* __LIMITS_H */