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WCTRANS(3) Linux Programmer's Manual WCTRANS(3)
wctrans - wide-character translation mapping
#include <wctype.h>
wctrans_t wctrans(const char *name);
The wctrans_t type represents a mapping which can map a wide
character to another wide character. Its nature is
implementation-dependent, but the special value (wctrans_t) 0
denotes an invalid mapping. Nonzero wctrans_t values can be
passed to the towctrans(3) function to actually perform the wide-
character mapping.
The wctrans() function returns a mapping, given by its name. The
set of valid names depends on the LC_CTYPE category of the
current locale, but the following names are valid in all locales.
"tolower" - realizes the tolower(3) mapping
"toupper" - realizes the toupper(3) mapping
The wctrans() function returns a mapping descriptor if the name
is valid. Otherwise, it returns (wctrans_t) 0.
For an explanation of the terms used in this section, see
attributes(7).
┌───────────────────────────────┬───────────────┬────────────────┐
│Interface │ Attribute │ Value │
├───────────────────────────────┼───────────────┼────────────────┤
│wctrans() │ Thread safety │ MT-Safe locale │
└───────────────────────────────┴───────────────┴────────────────┘
POSIX.1-2001, POSIX.1-2008, C99.
The behavior of wctrans() depends on the LC_CTYPE category of the
current locale.
towctrans(3)
This page is part of release 5.13 of the Linux man-pages project.
A description of the project, information about reporting bugs,
and the latest version of this page, can be found at
https://www.kernel.org/doc/man-pages/.
GNU 2021-03-22 WCTRANS(3)
Pages that refer to this page: towctrans(3)
Copyright and license for this manual page
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