1.\" $OpenBSD: fclose.3,v 1.4 2000/12/24 00:30:57 aaron Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" Chris Torek and the American National Standards Committee X3, 8.\" on Information Processing Systems. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. All advertising materials mentioning features or use of this software 19.\" must display the following acknowledgement: 20.\" This product includes software developed by the University of 21.\" California, Berkeley and its contributors. 22.\" 4. Neither the name of the University nor the names of its contributors 23.\" may be used to endorse or promote products derived from this software 24.\" without specific prior written permission. 25.\" 26.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36.\" SUCH DAMAGE. 37.\" 38.Dd June 4, 1993 39.Dt FCLOSE 3 40.Os 41.Sh NAME 42.Nm fclose 43.Nd close a stream 44.Sh SYNOPSIS 45.Fd #include <stdio.h> 46.Ft int 47.Fn fclose "FILE *stream" 48.Sh DESCRIPTION 49The 50.Fn fclose 51function dissociates the named 52.Fa stream 53from its underlying file or set of functions. 54If the stream was being used for output, any buffered data is written 55first, using 56.Xr fflush 3 . 57.Sh RETURN VALUES 58Upon successful completion 0 is returned. 59Otherwise, 60.Dv EOF 61is returned and the global variable 62.Va errno 63is set to indicate the error. 64In either case no further access to the stream is possible. 65.Sh ERRORS 66.Bl -tag -width Er 67.It Bq Er EBADF 68The argument 69.Fa stream 70is not an open stream. 71.El 72.Pp 73The 74.Fn fclose 75function may also fail and set 76.Va errno 77for any of the errors specified for the routines 78.Xr close 2 79or 80.Xr fflush 3 . 81.Sh SEE ALSO 82.Xr close 2 , 83.Xr fflush 3 , 84.Xr fopen 3 , 85.Xr setbuf 3 86.Sh STANDARDS 87The 88.Fn fclose 89function conforms to 90.St -ansiC . 91