limits.h

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#ifndef LIMITS_H__
#define LIMITS_H__

// System Specific Limits
#include <_limits.h>

/* Support signed or unsigned plain-char */

#if '\0' - 1 > 0

#define CHAR_MIN 0

#define CHAR_MAX 255
#else

#define CHAR_MIN (-128)

#define CHAR_MAX 127
#endif

/* Some universal constants... */

#define CHAR_BIT 8

#define SCHAR_MIN (-128)

#define SCHAR_MAX 127

#define UCHAR_MAX 255

#define SHRT_MIN (-1 - 0x7fff)

#define SHRT_MAX 0x7fff

#define USHRT_MAX 0xffff

#define INT_MIN (-1 - 0x7fffffff)

#define INT_MAX 0x7fffffff

#define UINT_MAX 0xffffffffU

#define LONG_MIN (-LONG_MAX - 1)

#define ULONG_MAX (2UL * LONG_MAX + 1)

#define LLONG_MIN (-LLONG_MAX - 1)

#define ULLONG_MAX (2ULL * LLONG_MAX + 1)

#define MB_LEN_MAX 4

#endif // LIMITS_H__