wctrans(3) Linux Man Page - System Grab Bag

Name

wctrans - wide-character translation mapping

Library

Standard C library ( libc ", " -lc )

Synopsis

#include <wctype.h> 
wctrans_t wctrans(const char * name );

Description

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

Return Value

The wctrans() function returns a mapping descriptor if the name is valid. Otherwise, it returns "(wctrans_t)\ 0".

Attributes

For an explanation of the terms used in this section, see attributes(7). allbox; lbx lb lb T{ wctrans()

Interface	Attribute	Value
T}	Thread safety	MT-Safe locale

Standards

C11, POSIX.1-2008.

History

POSIX.1-2001, C99.

Notes

The behavior of wctrans() depends on the LC_CTYPE category of the current locale.