IS_XDIGIT

Description

Checks if the given character c is a hexadecimal digit.

Parameters

Success

Returns true for 0-9, a-f, A-F, false otherwise.

Failure

Function cannot fail - always returns boolean result.

Usage example (Cross-references)

            StrIter hex_saved = si;
    
            while (StrIterPeek(&si, &c) && IS_XDIGIT(c)) {
                StrIterMustNext(&si);
            }