Limits for Greatest Width Integer Types

Type Description Definition
INTMAX_MIN Minimum value of largest width signed integer type. -9223372036854775808 where 64-bit long long supported; -2147483648 otherwise.
INTMAX_MAX_t Maximum value of largest width signed integer type. 9223372036854775807 where 64-bit long long supported; 2147483647 otherwise.
UINTMAX_MAX_t Maximum value of largest width unsigned integer type. 18446744073709551615 where 64-bit long long supported; 4294967295 otherwise.