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Standard library header <climits>

From cppreference.com
< cpp‎ | header

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.

[edit] Macros

CHAR_BIT
number of bits in 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]

[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 */