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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-24 04:52:22 +0000
commit3d08cd331c1adcf0d917392f7e527b3f00511748 (patch)
tree312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man3/fgetwc.3
parentAdding debian version 6.7-2. (diff)
downloadmanpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz
manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-'\" t
-.\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
-.\"
-.\" SPDX-License-Identifier: GPL-2.0-or-later
-.\"
-.\" References consulted:
-.\" GNU glibc-2 source code and manual
-.\" Dinkumware C library reference http://www.dinkumware.com/
-.\" OpenGroup's Single UNIX specification
-.\" http://www.UNIX-systems.org/online.html
-.\" ISO/IEC 9899:1999
-.\"
-.\" Modified Tue Oct 16 23:18:40 BST 2001 by John Levon <moz@compsoc.man.ac.uk>
-.TH fgetwc 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-fgetwc, getwc \- read a wide character from a FILE stream
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <stdio.h>
-.B #include <wchar.h>
-.P
-.BI "wint_t fgetwc(FILE *" stream );
-.BI "wint_t getwc(FILE *" stream );
-.fi
-.SH DESCRIPTION
-The
-.BR fgetwc ()
-function is the wide-character equivalent
-of the
-.BR fgetc (3)
-function.
-It reads a wide character from \fIstream\fP and returns it.
-If the end of stream is reached, or if \fIferror(stream)\fP becomes true,
-it returns
-.BR WEOF .
-If a wide-character conversion error occurs, it sets
-\fIerrno\fP to \fBEILSEQ\fP and returns
-.BR WEOF .
-.P
-The
-.BR getwc ()
-function or macro functions identically to
-.BR fgetwc ().
-It may be implemented as a macro, and may evaluate its argument
-more than once.
-There is no reason ever to use it.
-.P
-For nonlocking counterparts, see
-.BR unlocked_stdio (3).
-.SH RETURN VALUE
-On success,
-.BR fgetwc ()
-returns the next wide-character from the stream.
-Otherwise,
-.B WEOF
-is returned, and
-.I errno
-is set to indicate the error.
-.SH ERRORS
-Apart from the usual ones, there is
-.TP
-.B EILSEQ
-The data obtained from the input stream does not
-form a valid character.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR fgetwc (),
-.BR getwc ()
-T} Thread safety MT-Safe
-.TE
-.SH STANDARDS
-C11, POSIX.1-2008.
-.SH HISTORY
-POSIX.1-2001, C99.
-.SH NOTES
-The behavior of
-.BR fgetwc ()
-depends on the
-.B LC_CTYPE
-category of the
-current locale.
-.P
-In the absence of additional information passed to the
-.BR fopen (3)
-call, it is
-reasonable to expect that
-.BR fgetwc ()
-will actually read a multibyte sequence
-from the stream and then convert it to a wide character.
-.SH SEE ALSO
-.BR fgetws (3),
-.BR fputwc (3),
-.BR ungetwc (3),
-.BR unlocked_stdio (3)