From 3d08cd331c1adcf0d917392f7e527b3f00511748 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Merging upstream version 6.8. Signed-off-by: Daniel Baumann --- man/man3/fclose.3 | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 man/man3/fclose.3 (limited to 'man/man3/fclose.3') diff --git a/man/man3/fclose.3 b/man/man3/fclose.3 new file mode 100644 index 0000000..a39aaa8 --- /dev/null +++ b/man/man3/fclose.3 @@ -0,0 +1,102 @@ +'\" t +.\" Copyright (c) 1990, 1991 The Regents of the University of California. +.\" All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" Chris Torek and the American National Standards Committee X3, +.\" on Information Processing Systems. +.\" +.\" SPDX-License-Identifier: BSD-4-Clause-UC +.\" +.\" @(#)fclose.3 6.7 (Berkeley) 6/29/91 +.\" +.\" Converted for Linux, Mon Nov 29 15:19:14 1993, faith@cs.unc.edu +.\" +.\" Modified 2000-07-22 by Nicolás Lichtmaier +.\" +.TH fclose 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +fclose \- close a stream +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include +.P +.BI "int fclose(FILE *" stream ); +.fi +.SH DESCRIPTION +The +.BR fclose () +function flushes the stream pointed to by +.I stream +(writing any buffered output data using +.BR fflush (3)) +and closes the underlying file descriptor. +.SH RETURN VALUE +Upon successful completion, 0 is returned. +Otherwise, +.B EOF +is returned and +.I errno +is set to indicate the error. +In either case, any further access +(including another call to +.BR fclose ()) +to the stream results in undefined behavior. +.SH ERRORS +.TP +.B EBADF +The file descriptor underlying +.I stream +is not valid. +.\" This error cannot occur unless you are mixing ANSI C stdio operations and +.\" low-level file operations on the same stream. If you do get this error, +.\" you must have closed the stream's low-level file descriptor using +.\" something like close(fileno(stream)). +.P +The +.BR fclose () +function may also fail and set +.I errno +for any of the errors specified for the routines +.BR close (2), +.BR write (2), +or +.BR fflush (3). +.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 fclose () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +C89, POSIX.1-2001. +.SH NOTES +Note that +.BR fclose () +flushes only the user-space buffers provided by the +C library. +To ensure that the data is physically stored +on disk the kernel buffers must be flushed too, for example, with +.BR sync (2) +or +.BR fsync (2). +.SH SEE ALSO +.BR close (2), +.BR fcloseall (3), +.BR fflush (3), +.BR fileno (3), +.BR fopen (3), +.BR setbuf (3) -- cgit v1.2.3