#ifndef _LIMITS_H_
#define _LIMITS_H_

/* All the headers include this file. */
#include <_mingw.h>

/*
* File system limits
*
* TODO: NAME_MAX and OPEN_MAX are file system limits or not? Are they the
* same as FILENAME_MAX and FOPEN_MAX from stdio.h?
* NOTE: Apparently the actual size of PATH_MAX is 260, but a space is
* required for the NUL. TODO: Test?
*/
#define PATH_MAX (259)

/*
* Characteristics of the char data type.
*
* TODO: Is MB_LEN_MAX correct?
*/
#define CHAR_BIT 8
#define MB_LEN_MAX 2

#define SCHAR_MIN (-128)
#define SCHAR_MAX 127

#define UCHAR_MAX 255

/* TODO: Is this safe? I think it might just be testing the preprocessor,
* not the compiler itself... */
#if ('\x80' < 0)
#define CHAR_MIN SCHAR_MIN
#define CHAR_MAX SCHAR_MAX
#else
#define CHAR_MIN 0
#define CHAR_MAX UCHAR_MAX
#endif

/*
* Maximum and minimum values for ints.
*/
#define INT_MAX 2147483647
#define INT_MIN (-INT_MAX-1)

#define UINT_MAX (2U * INT_MAX + 1)

/*
* Maximum and minimum values for shorts.
*/
#define SHRT_MAX 32767
#define SHRT_MIN (-SHRT_MAX-1)

#define USHRT_MAX ((unsigned short) (2U * SHRT_MAX + 1))

/*
* Maximum and minimum values for longs and unsigned longs.
*
* TODO: This is not correct for Alphas, which have 64 bit longs.
*/
#define LONG_MAX 2147483647L

#define LONG_MIN (-LONG_MAX-1)

#define ULONG_MAX (2UL * LONG_MAX + 1)


/*
* The GNU C compiler also allows 'long long int'
*/
#if !defined(__STRICT_ANSI__) && defined(__GNUC__)

#define LONG_LONG_MAX 9223372036854775807LL
#define LONG_LONG_MIN (-LONG_LONG_MAX-1)

#define ULONG_LONG_MAX (2ULL * LONG_LONG_MAX + 1)

#endif /* Not Strict ANSI and GNU C compiler */


#endif /* not _LIMITS_H_ */

Non mi sembra ci siano grandi difficoltà