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towctrans (3)

towctrans (3) ( Solaris man: Библиотечные вызовы )

>> towctrans (3) ( FreeBSD man: Библиотечные вызовы )

towctrans (3) ( Русские man: Библиотечные вызовы )

towctrans (3) ( Linux man: Библиотечные вызовы )

towctrans (3) ( POSIX man: Библиотечные вызовы )

BSD mandoc

NAME



towctrans , wctrans

 - wide character mapping functions

LIBRARY

Lb libc

SYNOPSIS

#include <wctype.h>
wint_t towctrans (wint_t wc wctrans_t desc);
wctrans_t wctrans (const char *charclass);

DESCRIPTION

The wctrans ();
function returns a value of type Vt wctrans_t which represents the requested wide character mapping operation and may be used as the second argument for calls to towctrans (.);

The following character mapping names are recognised:

tolower toupper

The
towctrans ();
function transliterates the wide character Fa wc according to the mapping described by Fa desc .

RETURN VALUES

The towctrans ();
function returns the transliterated character if successful, otherwise it returns the character unchanged and sets errno

The wctrans ();
function returns non-zero if successful, otherwise it returns zero and sets errno

EXAMPLES

Reimplement towupper ();
in terms of towctrans ();
and wctrans (:);

wint_t
mytowupper(wint_t wc)
{
        return (towctrans(wc, wctrans("toupper")));
}

ERRORS

The towctrans ();
function will fail if:

Bq Er EINVAL: The supplied Fa desc argument is invalid.

The wctrans ();
function will fail if:

Bq Er EINVAL: The requested mapping name is invalid.

STANDARDS

The towctrans ();
and wctrans ();
functions conform to St -p1003.1-2001 .

HISTORY

The towctrans ();
and wctrans ();
functions first appeared in Fx 5.0 .

Партнёры:

Хостинг:

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