programming - C - function isdigitWhat links here?

Description

The isdigit() function tests for any decimal-digit character.

The behavior of the isdigit() function is affected by the current locale. To modify the behavior, change the LC_CTYPE category in setlocale(), that is, setlocale(LC_CTYPE, newlocale). In the C locale or in a locale where character type information is not defined, characters are classified according to the rules of the U.S. ASCII 7-bit coded character set.

Parameters



Return Values

The isdigit() function returns non-zero for true and zero for false. If the parameter is not in the domain of the function, the return result is undefined.
programming - C - function isdigit
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last edit:April 07 2009 23:12:08 (5945 days ago)
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