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1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
2 | .\" | |
5fbde956 | 3 | .\" SPDX-License-Identifier: Linux-man-pages-copyleft |
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4 | .\" |
5 | .\" References consulted: | |
6 | .\" Linux libc source code | |
7 | .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) | |
8 | .\" 386BSD man pages | |
9 | .\" Modified Sat Jul 24 18:25:21 1993 by Rik Faith (faith@cs.unc.edu) | |
73f4bf1e | 10 | .\" |
45186a5d | 11 | .TH SEEKDIR 3 2021-03-22 "Linux man-pages (unreleased)" |
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12 | .SH NAME |
13 | seekdir \- set the position of the next readdir() call in the directory | |
14 | stream. | |
63c15895 AC |
15 | .SH LIBRARY |
16 | Standard C library | |
8fc3b2cf | 17 | .RI ( libc ", " \-lc ) |
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18 | .SH SYNOPSIS |
19 | .nf | |
20 | .B #include <dirent.h> | |
68e4db0a | 21 | .PP |
73f4bf1e | 22 | .BI "void seekdir(DIR *" dirp ", long " loc ); |
fea681da | 23 | .fi |
68e4db0a | 24 | .PP |
d39ad78f | 25 | .RS -4 |
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26 | Feature Test Macro Requirements for glibc (see |
27 | .BR feature_test_macros (7)): | |
d39ad78f | 28 | .RE |
68e4db0a | 29 | .PP |
cc4615cc | 30 | .BR seekdir (): |
9d281e06 | 31 | .nf |
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32 | _XOPEN_SOURCE |
33 | || /* Glibc since 2.19: */ _DEFAULT_SOURCE | |
7d8d2f09 | 34 | || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE |
9d281e06 | 35 | .fi |
fea681da | 36 | .SH DESCRIPTION |
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37 | The |
38 | .BR seekdir () | |
39 | function sets the location in the directory stream | |
40 | from which the next | |
41 | .BR readdir (2) | |
42 | call will start. | |
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43 | The |
44 | .I loc | |
45 | argument should be a value returned by a previous call to | |
60a90ecd | 46 | .BR telldir (3). |
47297adb | 47 | .SH RETURN VALUE |
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48 | The |
49 | .BR seekdir () | |
50 | function returns no value. | |
bbb97a01 | 51 | .SH ATTRIBUTES |
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52 | For an explanation of the terms used in this section, see |
53 | .BR attributes (7). | |
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54 | .ad l |
55 | .nh | |
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56 | .TS |
57 | allbox; | |
c466875e | 58 | lbx lb lb |
79e5ca24 PH |
59 | l l l. |
60 | Interface Attribute Value | |
61 | T{ | |
bbb97a01 | 62 | .BR seekdir () |
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63 | T} Thread safety MT-Safe |
64 | .TE | |
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65 | .hy |
66 | .ad | |
67 | .sp 1 | |
3113c7f3 | 68 | .SH STANDARDS |
ada74aab | 69 | POSIX.1-2001, POSIX.1-2008, 4.3BSD. |
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70 | .SH NOTES |
71 | In glibc up to version 2.1.1, the type of the | |
73f4bf1e | 72 | .I loc |
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73 | argument was |
74 | .IR off_t . | |
75 | POSIX.1-2001 specifies | |
76 | .IR long , | |
77 | and this is the type used since glibc 2.1.2. | |
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78 | See |
79 | .BR telldir (3) | |
80 | for information on why you should be careful in making any | |
81 | assumptions about the value in this argument. | |
47297adb | 82 | .SH SEE ALSO |
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83 | .BR lseek (2), |
84 | .BR closedir (3), | |
85 | .BR opendir (3), | |
86 | .BR readdir (3), | |
87 | .BR rewinddir (3), | |
88 | .BR scandir (3), | |
89 | .BR telldir (3) |