iswalpha_l(3) - Manual pages

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NAME

iswalnum_l, iswalpha_l, iswcntrl_l, iswctype_l, iswdigit_l, iswgraph_l, iswlower_l, iswprint_l, iswpunct_l, iswspace_l, iswupper_l, iswxdigit_l, towlower_l, towupper_l, wctype_l, iswblank_l, iswhexnumber_l, iswideogram_l, iswnumber_l, iswphonogram_l, iswrune_l, iswspecial_l, nextwctype_l, towctrans_l, wctrans_l — wide character classification utilities

LIBRARY

library “libc”

SYNOPSIS

#include <wctype.h>

int
iswalnum_l(wint_t wc, locale_t loc);

int
iswalpha_l(wint_t wc, locale_t loc);

int
iswcntrl_l(wint_t wc, locale_t loc);

int
iswctype_l(wint_t wc, wctype_t charclass, locale_t loc);

int
iswdigit_l(wint_t wc, locale_t loc);

int
iswgraph_l(wint_t wc, locale_t loc);

int
iswlower_l(wint_t wc, locale_t loc);

int
iswprint_l(wint_t wc, locale_t loc);

int
iswpunct_l(wint_t wc, locale_t loc);

int
iswspace_l(wint_t wc, locale_t loc);

int
iswupper_l(wint_t wc, locale_t loc);

int
iswxdigit_l(wint_t wc, locale_t loc);

wint_t
towlower_l(wint_t wc, locale_t loc);

wint_t
towupper_l(wint_t wc, locale_t loc);

wctype_t
wctype_l(const char *property, locale_t loc);

int
iswblank_l(wint_t wc, locale_t loc);

int
iswhexnumber_l(wint_t wc, locale_t loc);

int
iswideogram_l(wint_t wc, locale_t loc);

int
iswnumber_l(wint_t wc, locale_t loc);

int
iswphonogram_l(wint_t wc, locale_t loc);

int
iswrune_l(wint_t wc, locale_t loc);

int
iswspecial_l(wint_t wc, locale_t loc);

wint_t
nextwctype_l(wint_t wc, wctype_t wct, locale_t loc);

wint_t
towctrans_l(wint_t wc, wctrans_t, locale_t loc);

wctrans_t
wctrans_l(const char *, locale_t loc);

DESCRIPTION

The above functions are character classification utility functions, for use with wide characters (wchar_t or wint_t) in the locale loc. They behave in the same way as the versions without the _l suffix, but use the specified locale rather than the global or per-thread locale. These functions may be implemented as inline functions in <wctype.h> and as functions in the C library. See the specific manual pages for more information.

RETURN VALUES

These functions return the same things as their non-locale versions. If the locale is invalid, their behaviors are undefined.

STANDARDS

These functions conform to IEEE Std 1003.1-2008 (“POSIX.1”), except for iswhexnumber_l(), iswideogram_l(), iswnumber_l(), iswphonogram_l(), iswrune_l(), iswspecial_l() and nextwctype_l() which are FreeBSD extensions.