xref: /netbsd-src/lib/libc/stdio/fclose.3 (revision 001c68bd94f75ce9270b69227c4199fbf34ee396)
1.\"	$NetBSD: fclose.3,v 1.8 2003/04/16 13:34:44 wiz Exp $
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6.\" This code is derived from software contributed to Berkeley by
7.\" Chris Torek and the American National Standards Committee X3,
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38.\"     @(#)fclose.3	8.1 (Berkeley) 6/4/93
39.\"
40.Dd June 4, 1993
41.Dt FCLOSE 3
42.Os
43.Sh NAME
44.Nm fclose
45.Nd close a stream
46.Sh LIBRARY
47.Lb libc
48.Sh SYNOPSIS
49.In stdio.h
50.Ft int
51.Fn fclose "FILE *stream"
52.Sh DESCRIPTION
53The
54.Fn fclose
55function
56dissociates the named
57.Fa stream
58from its underlying file or set of functions.
59If the stream was being used for output, any buffered data is written
60first, using
61.Xr fflush 3 .
62.Sh RETURN VALUES
63Upon successful completion 0 is returned.
64Otherwise,
65.Dv EOF
66is returned and the global variable
67.Va errno
68is set to indicate the error.
69In either case no further access to the stream is possible.
70.Sh ERRORS
71.Bl -tag -width Er
72.It Bq Er EBADF
73The argument
74.Fa stream
75is not an open stream.
76.El
77.Pp
78The
79.Fn fclose
80function
81may also fail and set
82.Va errno
83for any of the errors specified for the routines
84.Xr close 2
85or
86.Xr fflush 3 .
87.Sh SEE ALSO
88.Xr close 2 ,
89.Xr fflush 3 ,
90.Xr fopen 3 ,
91.Xr setbuf 3
92.Sh STANDARDS
93The
94.Fn fclose
95function
96conforms to
97.St -ansiC .
98