wctype(3C) wctype(3C)
NAME
wctype: iswalpha, iswupper, iswlower, iswdigit, iswxdigit,
iswalnum, iswspace, iswpunct, iswprint, iswcntrl - test wide
characters for a specified class
SYNOPSIS
#include <wchar.h>
int iswalpha(wint_t wc);
int iswupper(wint_t wc);
int iswlower(wint_t wc);
int iswdigit(wint_t wc);
int iswxdigit(wint_t wc);
int iswalnum(wint_t wc);
int iswspace(wint_t wc);
int iswpunct(wint_t wc);
int iswprint(wint_t wc);
int iswgraph(wint_t wc);
int iswcntrl(wint_t wc);
DESCRIPTION
iswalpha(wc) wc is an alphabetic wide character.
iswupper(wc) wc is an uppercase wide character.
iswlower(wc) wc is a lowercase wide character.
iswdigit(wc) wc is a wide character representing a digit.
iswxdigit(wc) wc is a wide character representing a hexadecimal digit.
iswalnum(wc) wc is an alphanumeric wide character.
iswspace(wc) wc is a wide character representing a white space
character.
iswpunct(wc) wc is a wide character representing a punctuation
character.
iswprint(wc) wc is a wide character representing a printing character
including space.
iswgraph(wc) wc is a wide character like above but does not include
white space.
iswcntrlwc wc is a control characters (not printable)
Return Values
If wc matches the classification of the called function,
nonzero is returned. Otherwise, zero is returned. locale
(category LC_CTYPE).
REFERENCES
iswctype(3C)
Copyright 1994 Novell, Inc. Page 1