limits.h

Defines a couple of constants for the maximum and minimum values that are allowed for certain types. Refer to the following table:

Table 1. Constants Defined in limits.h
Constant	Description
`CHAR_BIT`	Number of bits in a character
`SCHAR_MIN`	Minimum value for signed char
`SCHAR_MAX`	Maximum value for signed char
`UCHAR_MAX`	Maximum value for unsigned char
`CHAR_MIN`	Minimum value for char
`CHAR_MAX`	Maximum value for char
`MB_LEN_MAX`	Maximum number of bytes for a multi-byte character.
`SHRT_MIN`	Minimum value for short int
`SHRT_MAX`	Maximum value for short int
`USHRT_MAX`	Maximum value for unsigned short int
`INT_MIN`	Minimum value for int
`INT_MAX`	Maximum value for int
`UINT_MAX`	Maximum value for unsigned int
`LONG_MIN`	Minimum value for long int
`LONG_MAX`	Maximum value for long int
`ULONG_MAX`	Maximum value for unsigned long int