1.\" Copyright (c) 1990, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
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.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
--- 16 unchanged lines hidden (view full) ---
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)fopen.3 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/stdio/fopen.3 242460 2012-11-01 22:47:42Z jilles $
34.\"
35.Dd October 17, 2011
36.Dt FOPEN 3
37.Os
38.Sh NAME
39.Nm fopen ,
40.Nm fdopen ,
41.Nm freopen
42.Nd stream open functions
43.Sh LIBRARY
--- 48 unchanged lines hidden (view full) ---
92.Dq Li x
93following
94.Dq Li w
95or
96.Dq Li w+
97causes the
98.Fn fopen
99call to fail if the file already exists.
100.Pp
101The
102.Fa mode
103string can also include the letter
104.Dq Li b
105after either the
106.Dq Li +
107or the first letter.
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139.Fn fdopen
140function associates a stream with the existing file descriptor,
141.Fa fildes .
142The mode
143of the stream must be compatible with the mode of the file descriptor.
144The
145.Dq Li x
146mode option is ignored.
147When the stream is closed via
148.Xr fclose 3 ,
149.Fa fildes
150is closed also.
151.Pp
152The
153.Fn freopen
154function
--- 117 unchanged lines hidden (view full) ---
272.Dq Li x
273mode option which conforms to
274.St -isoC-2011 .
275The
276.Fn fdopen
277function
278conforms to
279.St -p1003.1-88 .
2.\" The Regents of the University of California. All rights reserved.
3.\"
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.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
--- 16 unchanged lines hidden (view full) ---
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)fopen.3 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/stdio/fopen.3 242460 2012-11-01 22:47:42Z jilles $
34.\"
35.Dd October 17, 2011
36.Dt FOPEN 3
37.Os
38.Sh NAME
39.Nm fopen ,
40.Nm fdopen ,
41.Nm freopen
42.Nd stream open functions
43.Sh LIBRARY
--- 48 unchanged lines hidden (view full) ---
92.Dq Li x
93following
94.Dq Li w
95or
96.Dq Li w+
97causes the
98.Fn fopen
99call to fail if the file already exists.
100.Pp
101The
102.Fa mode
103string can also include the letter
104.Dq Li b
105after either the
106.Dq Li +
107or the first letter.
--- 31 unchanged lines hidden (view full) ---
139.Fn fdopen
140function associates a stream with the existing file descriptor,
141.Fa fildes .
142The mode
143of the stream must be compatible with the mode of the file descriptor.
144The
145.Dq Li x
146mode option is ignored.
147When the stream is closed via
148.Xr fclose 3 ,
149.Fa fildes
150is closed also.
151.Pp
152The
153.Fn freopen
154function
--- 117 unchanged lines hidden (view full) ---
272.Dq Li x
273mode option which conforms to
274.St -isoC-2011 .
275The
276.Fn fdopen
277function
278conforms to
279.St -p1003.1-88 .