Standard library header <climits>

From cppreference.com
Standard library headers

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)
MB_LEN_MAX
maximum number of bytes in a multibyte character
(macro constant)
CHAR_MIN
minimum value of char
(macro constant)
CHAR_MAX
maximum value of char
(macro constant)
SCHAR_MIN SHRT_MIN INT_MIN LONG_MIN LLONG_MIN
(C++11)
minimum value of signed char , short , int , long and long long respectively
(macro constant)
SCHAR_MAX SHRT_MAX INT_MAX LONG_MAX LLONG_MAX
(C++11)
maximum value of signed char , short , int , long and long long respectively
(macro constant)
UCHAR_MAX USHRT_MAX UINT_MAX ULONG_MAX ULLONG_MAX
(C++11)
maximum value of unsigned char , unsigned short , unsigned int ,
unsigned long and unsigned long long respectively
(macro constant)

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 */