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FPUTWC
Section: Linux Programmer's Manual (3)
Updated: 1999-07-25
Index
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NAME
fputwc, putwc - write a wide character to a FILE stream
SYNOPSIS
#include <stdio.h>
#include <wchar.h>
wint_t fputwc(wchar_t wc, FILE *stream);
wint_t putwc(wchar_t wc, FILE *stream);
DESCRIPTION
The
fputwc()
function is the wide-character
equivalent of the
fputc(3)
function.
It writes the wide character wc to stream.
If
ferror(stream) becomes true, it returns
WEOF.
If a wide-character conversion error occurs,
it sets errno to EILSEQ and returns
WEOF.
Otherwise it returns wc.
The
putwc()
function or macro functions identically to
fputwc().
It may be implemented as a macro, and may evaluate its argument
more than once.
There is no reason ever to use it.
For nonlocking counterparts, see
unlocked_stdio(3).
RETURN VALUE
The
fputwc()
function returns wc if no error occurred, or
WEOF
to indicate an error.
ERRORS
Apart from the usual ones, there is
- EILSEQ
-
Conversion of wc to the stream's encoding fails.
CONFORMING TO
C99, POSIX.1-2001.
NOTES
The behavior of
fputwc()
depends on the
LC_CTYPE
category of the
current locale.
In the absence of additional information passed to the
fopen(3)
call, it is
reasonable to expect that
fputwc()
will actually write the multibyte
sequence corresponding to the wide character wc.
SEE ALSO
fgetwc(3),
fputws(3),
unlocked_stdio(3)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- NOTES
-
- SEE ALSO
-
- COLOPHON
-
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