<limits.h>

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The <limits.h> header determines the properties of different variable types. The limits specify that each variable type cannot store a value greater than these limits.

CHAR_BIT

SCHAR_MIN

SCHAR_MAX

UCHAR_MAX

CHAR_MIN

CHAR_MAX

SHRT_MIN

SHRT_MAX

USHRT_MAX

INT_MIN

INT_MAX

UINT_MAX

LONG_MIN

LONG_MAX

ULONG_MAX