Name
iswxdigit function — Determines whether a wide character is a hexadecimal
digit
Synopsis
int iswxdigit(wint_t wc)
The iswxdigit
function
returns true (nonzero) if wc
is a
hexadecimal digit character—that is, '0
'-'9
',
'a
'-'f
', or 'A
'-'F
'—regardless of locale.