NAME

wctrans — get character mapping identifier by name

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <wctype.h>

wctrans_t
wctrans(const char *charmap);

DESCRIPTION

The wctrans() function returns a character mapping identifier corresponding to the locale-specific character mapping name charmap. This identifier can be used on the subsequent calls of towctrans(). The following names are defined in all locales:

tolower toupper

The behaviour of wctrans() is affected by the LC_CTYPE category of the current locale.

RETURN VALUES

wctrans() returns:

0

If the string charmap does not corresponding to a valid character mapping name.

non-zero

A character mapping identifier corresponding to charmap.

Note: wctype_t is a scalar type, e.g., a pointer.

ERRORS

No errors are defined.

SEE ALSO

iswctype(3), setlocale(3), wctype(3)

STANDARDS

The towctrans() function conforms to ISO/IEC 9899/AMD1:1995 (“ISO C90, Amendment 1”).