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Determines whether a character is a hexadecimal-digit character.

Files

lib_ascii.h/lib_ascii.c

Prototypes

Arguments

ch

Character to examine.

Returned Value

DEF_YES,

if character is a hexadecimal-digit character;

DEF_NO,

if character is not a hexadecimal-digit character.

Required Configuration

None.

Notes / Warnings

ISO/IEC 9899:TC2, Section 7.4.1.12.(2) states that “isxdigit() … tests for any hexadecimal-digit character”.

Example Usage

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