From fc22b3d6507c6745911b9dfcc68f1e665ae13dbc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 21:43:11 +0200 Subject: Adding upstream version 4.22.0. Signed-off-by: Daniel Baumann --- upstream/opensuse-leap-15-6/man3/fgetwc.3 | 109 ++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 upstream/opensuse-leap-15-6/man3/fgetwc.3 (limited to 'upstream/opensuse-leap-15-6/man3/fgetwc.3') diff --git a/upstream/opensuse-leap-15-6/man3/fgetwc.3 b/upstream/opensuse-leap-15-6/man3/fgetwc.3 new file mode 100644 index 00000000..8c1cfec2 --- /dev/null +++ b/upstream/opensuse-leap-15-6/man3/fgetwc.3 @@ -0,0 +1,109 @@ +'\" t +.\" Copyright (c) Bruno Haible +.\" +.\" 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 +.TH fgetwc 3 2023-03-30 "Linux man-pages 6.04" +.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 +.B #include +.PP +.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 . +.PP +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. +.PP +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). +.ad l +.nh +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.BR fgetwc (), +.BR getwc () +T} Thread safety MT-Safe +.TE +.hy +.ad +.sp 1 +.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. +.PP +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) -- cgit v1.2.3