17 Language support library [language.support]

17.3 Implementation properties [support.limits]

17.3.6 Header <climits> synopsis [climits.syn]

#define CHAR_BIT see below
#define SCHAR_MIN see below
#define SCHAR_MAX see below
#define UCHAR_MAX see below
#define CHAR_MIN see below
#define CHAR_MAX see below
#define MB_LEN_MAX see below
#define SHRT_MIN see below
#define SHRT_MAX see below
#define USHRT_MAX see below
#define INT_MIN see below
#define INT_MAX see below
#define UINT_MAX see below
#define LONG_MIN see below
#define LONG_MAX see below
#define ULONG_MAX see below
#define LLONG_MIN see below
#define LLONG_MAX see below
#define ULLONG_MAX see below
The header <climits> defines all macros the same as the C standard library header <limits.h>.
Note
:
The types of the constants defined by macros in <climits> are not required to match the types to which the macros refer.
— end note
 ]
See also: ISO C 5.2.4.2.1