1 /*
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * and/or other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 */
17
18 /*
19 FUNCTION
20 <<fcloseall>>---close all files
21
22 INDEX
23 fcloseall
24 INDEX
25 _fcloseall_r
26
27 SYNOPSIS
28 #include <stdio.h>
29 int fcloseall(void);
30 int _fcloseall_r (struct _reent *<[ptr]>);
31
32 DESCRIPTION
33 <<fcloseall>> closes all files in the current reentrancy struct's domain.
34 The function <<_fcloseall_r>> is the same function, except the reentrancy
35 struct is passed in as the <[ptr]> argument.
36
37 This function is not recommended as it closes all streams, including
38 the std streams.
39
40 RETURNS
41 <<fclose>> returns <<0>> if all closes are successful. Otherwise,
42 EOF is returned.
43
44 PORTABILITY
45 <<fcloseall>> is a glibc extension.
46
47 Required OS subroutines: <<close>>, <<fstat>>, <<isatty>>, <<lseek>>,
48 <<read>>, <<sbrk>>, <<write>>.
49 */
50 /* This file based upon fwalk.c. */
51
52 #define _DEFAULT_SOURCE
53 #include <_ansi.h>
54 #include <stdio.h>
55 #include <stdlib.h>
56 #include <errno.h>
57 #include "local.h"
58
59 int
fcloseall(void)60 fcloseall (void)
61 {
62 return _fwalk_sglue (fclose, &__sglue);
63 }
64
