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iswxdigit
Langue: en
Version: 1999-07-25 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
iswxdigit - test for hexadecimal digit wide characterSYNOPSIS
#include <wctype.h> int iswxdigit(wint_t wc);
DESCRIPTION
The iswxdigit() function is the wide-character equivalent of the isxdigit(3) function. It tests whether wc is a wide character belonging to the wide-character class "xdigit".The wide-character class "xdigit" is a subclass of the wide-character class "alnum", and therefore also a subclass of the wide-character class "graph" and of the wide-character class "print".
Being a subclass of the wide-character class "print", the wide-character class "xdigit" is disjoint from the wide-character class "cntrl".
Being a subclass of the wide-character class "graph", the wide-character class "xdigit" is disjoint from the wide-character class "space" and its subclass "blank".
Being a subclass of the wide-character class "alnum", the wide-character class "xdigit" is disjoint from the wide-character class "punct".
The wide-character class "xdigit" always contains at least the letters 'A' to 'F', 'a' to 'f' and the digits '0' to '9'.
RETURN VALUE
The iswxdigit() function returns non-zero if wc is a wide character belonging to the wide-character class "xdigit". Otherwise it returns zero.CONFORMING TO
C99.NOTES
The behavior of iswxdigit() depends on the LC_CTYPE category of the current locale.SEE ALSO
iswctype(3), isxdigit(3)COLOPHON
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