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Standard library header <climits> - cppreference.com

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This header was originally in the C standard library as <limits.h>.

This header is part of the type support library, in particular it's part of the C numeric limits interface.

Macros

CHAR_BIT

 bit width of byte
(macro constant) [edit]

MB_LEN_MAX

 maximum number of bytes in a multibyte character
(macro constant) [edit]

CHAR_MIN

 minimum value of char
(macro constant) [edit]

CHAR_MAX

 maximum value of char
(macro constant) [edit]

SCHAR_MINSHRT_MININT_MINLONG_MINLLONG_MIN

(C++11)

 minimum value of signed char, short, int, long and long long respectively
(macro constant) [edit]

SCHAR_MAXSHRT_MAXINT_MAXLONG_MAXLLONG_MAX

(C++11)

 maximum value of signed char, short, int, long and long long respectively
(macro constant) [edit]

UCHAR_MAXUSHRT_MAXUINT_MAXULONG_MAXULLONG_MAX

(C++11)

 maximum value of unsigned char, unsigned short, unsigned int,
unsigned long and unsigned long long respectively
(macro constant) [edit]

Synopsis

#define CHAR_BIT      /* see definition */
#define SCHAR_MIN     /* see definition */
#define SCHAR_MAX     /* see definition */
#define UCHAR_MAX     /* see definition */
#define CHAR_MIN      /* see definition */
#define CHAR_MAX      /* see definition */
#define MB_LEN_MAX    /* see definition */
#define SHRT_MIN      /* see definition */
#define SHRT_MAX      /* see definition */
#define USHRT_MAX     /* see definition */
#define INT_MIN       /* see definition */
#define INT_MAX       /* see definition */
#define UINT_MAX      /* see definition */
#define LONG_MIN      /* see definition */
#define LONG_MAX      /* see definition */
#define ULONG_MAX     /* see definition */
#define LLONG_MIN     /* see definition */
#define LLONG_MAX     /* see definition */
#define ULLONG_MAX    /* see definition */