xref: /netbsd-src/lib/libc/stdio/fclose.3 (revision ae1bfcddc410612bc8c58b807e1830becb69a24c)
1.\" Copyright (c) 1990, 1991 The Regents of the University of California.
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4.\" This code is derived from software contributed to Berkeley by
5.\" Chris Torek and the American National Standards Committee X3,
6.\" on Information Processing Systems.
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36.\"     from: @(#)fclose.3	6.7 (Berkeley) 6/29/91
37.\"	$Id: fclose.3,v 1.3 1993/11/29 22:06:38 jtc Exp $
38.\"
39.Dd June 29, 1991
40.Dt FCLOSE 3
41.Os
42.Sh NAME
43.Nm fclose
44.Nd close a stream
45.Sh SYNOPSIS
46.Fd #include <stdio.h>
47.Ft int
48.Fn fclose "FILE *stream"
49.Sh DESCRIPTION
50The
51.Fn fclose
52function
53dissociates the named
54.Fa stream
55from its underlying file or set of functions.
56If the stream was being used for output, any buffered data is written
57first, using
58.Xr fflush 3 .
59.Sh RETURN VALUES
60Upon successful completion 0 is returned.
61Otherwise,
62.Dv EOF
63is returned and the global variable
64.Va errno
65is set to indicate the error.
66In either case no further access to the stream is possible.
67.Sh ERRORS
68.Bl -tag -width Er
69.It Bq Er EBADF
70The argument
71.Fa stream
72is not an open stream.
73.El
74.Pp
75The
76.Fn fclose
77function
78may also fail and set
79.Va errno
80for any of the errors specified for the routines
81.Xr close 2
82or
83.Xr fflush 3 .
84.Sh SEE ALSO
85.Xr close 2 ,
86.Xr fflush 3 ,
87.Xr fopen 3 ,
88.Xr setbuf 3
89.Sh STANDARDS
90The
91.Fn fclose
92function
93conforms to
94.St -ansiC .
95