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isxdigit

int isxdigit( int c );

Description

Tests for a hexadecimal digit: 0 - 9, A - F, a - f

Parameters

c

Character to test.

Return value

 0: Not a hexadecimal digit.
!0: Is a hexadecimal digit.

Library

STRING.LIB

See also

isdigit, isalpha, isalpha