1 # SOME DESCRIPTIVE TITLE
2 # Copyright (C) YEAR Free Software Foundation, Inc.
3 # This file is distributed under the same license as the PACKAGE package.
4 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
9 "Project-Id-Version: PACKAGE VERSION\n"
10 "POT-Creation-Date: 2012-05-01 04:38+0900\n"
11 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
12 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
13 "Language-Team: LANGUAGE <LL@li.org>\n"
16 "Content-Type: text/plain; charset=UTF-8\n"
17 "Content-Transfer-Encoding: 8bit\n"
20 #: build/C/man3/closedir.3:29
26 #: build/C/man3/closedir.3:29
32 #: build/C/man3/closedir.3:29 build/C/man3/dirfd.3:23 build/C/man2/getdents.2:27 build/C/man3/getdirentries.3:27 build/C/man3/opendir.3:30 build/C/man2/readdir.2:28 build/C/man3/readdir.3:34 build/C/man3/rewinddir.3:29 build/C/man3/scandir.3:34 build/C/man3/scandirat.3:26 build/C/man3/seekdir.3:28 build/C/man3/telldir.3:28
34 msgid "Linux Programmer's Manual"
38 #: build/C/man3/closedir.3:30 build/C/man3/dirfd.3:24 build/C/man2/getdents.2:28 build/C/man3/getdirentries.3:28 build/C/man3/opendir.3:31 build/C/man2/readdir.2:29 build/C/man3/readdir.3:35 build/C/man3/rewinddir.3:30 build/C/man3/scandir.3:35 build/C/man3/scandirat.3:27 build/C/man3/seekdir.3:29 build/C/man3/telldir.3:29
44 #: build/C/man3/closedir.3:32
45 msgid "closedir - close a directory"
49 #: build/C/man3/closedir.3:32 build/C/man3/dirfd.3:26 build/C/man2/getdents.2:30 build/C/man3/getdirentries.3:30 build/C/man3/opendir.3:33 build/C/man2/readdir.2:31 build/C/man3/readdir.3:37 build/C/man3/rewinddir.3:32 build/C/man3/scandir.3:37 build/C/man3/scandirat.3:29 build/C/man3/seekdir.3:32 build/C/man3/telldir.3:31
55 #: build/C/man3/closedir.3:35 build/C/man3/opendir.3:36 build/C/man3/rewinddir.3:35
57 msgid "B<#include E<lt>sys/types.hE<gt>>\n"
61 #: build/C/man3/closedir.3:37 build/C/man3/opendir.3:38 build/C/man3/readdir.3:40 build/C/man3/rewinddir.3:37 build/C/man3/scandir.3:40 build/C/man3/seekdir.3:35 build/C/man3/telldir.3:34
63 msgid "B<#include E<lt>dirent.hE<gt>>\n"
67 #: build/C/man3/closedir.3:39
69 msgid "B<int closedir(DIR *>I<dirp>B<);>\n"
73 #: build/C/man3/closedir.3:40 build/C/man3/dirfd.3:52 build/C/man2/getdents.2:35 build/C/man3/getdirentries.3:43 build/C/man3/opendir.3:61 build/C/man2/readdir.2:37 build/C/man3/readdir.3:59 build/C/man3/rewinddir.3:40 build/C/man3/scandir.3:63 build/C/man3/scandirat.3:45 build/C/man3/seekdir.3:46 build/C/man3/telldir.3:45
79 #: build/C/man3/closedir.3:51
81 "The B<closedir>() function closes the directory stream associated with "
82 "I<dirp>. A successful call to B<closedir>() also closes the underlying "
83 "file descriptor associated with I<dirp>. The directory stream descriptor "
84 "I<dirp> is not available after this call."
88 #: build/C/man3/closedir.3:51 build/C/man3/dirfd.3:67 build/C/man2/getdents.2:136 build/C/man3/getdirentries.3:56 build/C/man3/opendir.3:81 build/C/man2/readdir.2:86 build/C/man3/readdir.3:117 build/C/man3/rewinddir.3:45 build/C/man3/scandir.3:90 build/C/man3/scandirat.3:79 build/C/man3/seekdir.3:58 build/C/man3/telldir.3:50
94 #: build/C/man3/closedir.3:58
96 "The B<closedir>() function returns 0 on success. On error, -1 is returned, "
97 "and I<errno> is set appropriately."
101 #: build/C/man3/closedir.3:58 build/C/man3/dirfd.3:70 build/C/man2/getdents.2:142 build/C/man3/getdirentries.3:62 build/C/man3/opendir.3:90 build/C/man2/readdir.2:92 build/C/man3/readdir.3:141 build/C/man3/scandir.3:103 build/C/man3/scandirat.3:86 build/C/man3/telldir.3:58
107 #: build/C/man3/closedir.3:59 build/C/man2/getdents.2:143 build/C/man3/opendir.3:94 build/C/man2/readdir.2:93 build/C/man3/readdir.3:142 build/C/man3/scandirat.3:93 build/C/man3/telldir.3:59
113 #: build/C/man3/closedir.3:62 build/C/man3/readdir.3:145 build/C/man3/telldir.3:62
114 msgid "Invalid directory stream descriptor I<dirp>."
118 #: build/C/man3/closedir.3:62 build/C/man3/dirfd.3:83 build/C/man2/getdents.2:159 build/C/man3/getdirentries.3:64 build/C/man3/opendir.3:116 build/C/man2/readdir.2:109 build/C/man3/readdir.3:145 build/C/man3/rewinddir.3:49 build/C/man3/scandir.3:116 build/C/man3/scandirat.3:106 build/C/man3/seekdir.3:62 build/C/man3/telldir.3:62
120 msgid "CONFORMING TO"
124 #: build/C/man3/closedir.3:64
125 msgid "SVr4, POSIX.1-2001, 4.3BSD."
129 #: build/C/man3/closedir.3:64 build/C/man3/dirfd.3:95 build/C/man2/getdents.2:273 build/C/man3/getdirentries.3:72 build/C/man3/opendir.3:138 build/C/man2/readdir.2:117 build/C/man3/readdir.3:239 build/C/man3/rewinddir.3:51 build/C/man3/scandir.3:172 build/C/man3/scandirat.3:113 build/C/man3/seekdir.3:72 build/C/man3/telldir.3:72
135 #: build/C/man3/closedir.3:72
137 "B<close>(2), B<opendir>(3), B<readdir>(3), B<rewinddir>(3), B<scandir>(3), "
138 "B<seekdir>(3), B<telldir>(3)"
142 #: build/C/man3/closedir.3:72 build/C/man3/dirfd.3:104 build/C/man2/getdents.2:276 build/C/man3/getdirentries.3:75 build/C/man3/opendir.3:147 build/C/man2/readdir.2:120 build/C/man3/readdir.3:251 build/C/man3/rewinddir.3:58 build/C/man3/scandir.3:184 build/C/man3/scandirat.3:117 build/C/man3/seekdir.3:80 build/C/man3/telldir.3:79
148 #: build/C/man3/closedir.3:79 build/C/man3/dirfd.3:111 build/C/man2/getdents.2:283 build/C/man3/getdirentries.3:82 build/C/man3/opendir.3:154 build/C/man2/readdir.2:127 build/C/man3/readdir.3:258 build/C/man3/rewinddir.3:65 build/C/man3/scandir.3:191 build/C/man3/scandirat.3:124 build/C/man3/seekdir.3:87 build/C/man3/telldir.3:86
150 "This page is part of release 3.40 of the Linux I<man-pages> project. A "
151 "description of the project, and information about reporting bugs, can be "
152 "found at http://www.kernel.org/doc/man-pages/."
156 #: build/C/man3/dirfd.3:23
162 #: build/C/man3/dirfd.3:23
168 #: build/C/man3/dirfd.3:23 build/C/man2/getdents.2:27 build/C/man2/readdir.2:28 build/C/man3/scandirat.3:26
174 #: build/C/man3/dirfd.3:26
175 msgid "dirfd - get directory stream file descriptor"
179 #: build/C/man3/dirfd.3:28
180 msgid "B<#include E<lt>sys/types.hE<gt>>"
184 #: build/C/man3/dirfd.3:30 build/C/man3/getdirentries.3:32
185 msgid "B<#include E<lt>dirent.hE<gt>>"
189 #: build/C/man3/dirfd.3:32
190 msgid "B<int dirfd(DIR *>I<dirp>B<);>"
194 #: build/C/man3/dirfd.3:36 build/C/man3/getdirentries.3:39 build/C/man3/opendir.3:46 build/C/man3/readdir.3:50 build/C/man3/scandir.3:55 build/C/man3/seekdir.3:42 build/C/man3/telldir.3:41
195 msgid "Feature Test Macro Requirements for glibc (see B<feature_test_macros>(7)):"
199 #: build/C/man3/dirfd.3:39
204 #: build/C/man3/dirfd.3:44
205 msgid "_BSD_SOURCE || _SVID_SOURCE"
209 #: build/C/man3/dirfd.3:46
210 msgid "|| /* Since glibc 2.10: */"
214 #: build/C/man3/dirfd.3:48
215 msgid "(_POSIX_C_SOURCE\\ E<gt>=\\ 200809L || _XOPEN_SOURCE\\ E<gt>=\\ 700)"
219 #: build/C/man3/dirfd.3:57
221 "The function B<dirfd>() returns the file descriptor associated with the "
222 "directory stream I<dirp>."
226 #: build/C/man3/dirfd.3:67
228 "This descriptor is the one used internally by the directory stream. As a "
229 "result, it is only useful for functions which do not depend on or alter the "
230 "file position, such as B<fstat>(2) and B<fchdir>(2). It will be "
231 "automatically closed when B<closedir>(3) is called."
235 #: build/C/man3/dirfd.3:70
237 "On success, a nonnegative file descriptor is returned. On error, -1 is "
243 #: build/C/man3/dirfd.3:75
245 "POSIX.1-2008 specifies two errors, neither of which is returned by the "
246 "current implementation."
250 #: build/C/man3/dirfd.3:75 build/C/man2/getdents.2:150 build/C/man2/readdir.2:100
256 #: build/C/man3/dirfd.3:79
257 msgid "I<dirp> does not refer to a valid directory stream."
261 #: build/C/man3/dirfd.3:79
267 #: build/C/man3/dirfd.3:83
269 "The implementation does not support the association of a file descriptor "
273 #. It is present in libc5 (since 5.1.2) and in glibc2.
275 #: build/C/man3/dirfd.3:87
277 "POSIX.1-2008. This function was a BSD extension, present in 4.3BSD-Reno, "
282 #: build/C/man3/dirfd.3:87 build/C/man2/getdents.2:162 build/C/man3/opendir.3:121 build/C/man2/readdir.2:111 build/C/man3/readdir.3:147 build/C/man3/scandirat.3:108 build/C/man3/seekdir.3:64 build/C/man3/telldir.3:64
288 #: build/C/man3/dirfd.3:95
290 "The prototype for B<dirfd>() is only available if B<_BSD_SOURCE> or "
291 "B<_SVID_SOURCE> is defined."
295 #: build/C/man3/dirfd.3:104
297 "B<open>(2), B<closedir>(3), B<opendir>(3), B<readdir>(3), B<rewinddir>(3), "
298 "B<scandir>(3), B<seekdir>(3), B<telldir>(3)"
302 #: build/C/man2/getdents.2:27
308 #: build/C/man2/getdents.2:27
314 #: build/C/man2/getdents.2:30
315 msgid "getdents - get directory entries"
319 #: build/C/man2/getdents.2:34
322 "B<int getdents(unsigned int >I<fd>B<, struct linux_dirent *>I<dirp>B<,>\n"
323 "B< unsigned int >I<count>B<);>\n"
327 #: build/C/man2/getdents.2:41
329 "This is not the function you are interested in. Look at B<readdir>(3) for "
330 "the POSIX conforming C library interface. This page documents the bare "
331 "kernel system call interface."
335 #: build/C/man2/getdents.2:54
337 "The system call B<getdents>() reads several I<linux_dirent> structures from "
338 "the directory referred to by the open file descriptor I<fd> into the buffer "
339 "pointed to by I<dirp>. The argument I<count> specifies the size of that "
344 #: build/C/man2/getdents.2:58
345 msgid "The I<linux_dirent> structure is declared as follows:"
349 #: build/C/man2/getdents.2:73
352 "struct linux_dirent {\n"
353 " unsigned long d_ino; /* Inode number */\n"
354 " unsigned long d_off; /* Offset to next I<linux_dirent> */\n"
355 " unsigned short d_reclen; /* Length of this I<linux_dirent> */\n"
356 " char d_name[]; /* Filename (null-terminated) */\n"
357 " /* length is actually (d_reclen - 2 -\n"
358 " offsetof(struct linux_dirent, d_name) */\n"
360 " char pad; // Zero padding byte\n"
361 " char d_type; // File type (only since Linux 2.6.4;\n"
362 " // offset is (d_reclen - 1))\n"
367 #: build/C/man2/getdents.2:75
373 #: build/C/man2/getdents.2:88
375 "I<d_ino> is an inode number. I<d_off> is the distance from the start of the "
376 "directory to the start of the next I<linux_dirent>. I<d_reclen> is the size "
377 "of this entire I<linux_dirent>. I<d_name> is a null-terminated filename."
381 #: build/C/man2/getdents.2:93
383 "I<d_type> is a byte at the end of the structure that indicates the file "
384 "type. It contains one of the following values (defined in "
385 "I<E<lt>dirent.hE<gt>>):"
389 #: build/C/man2/getdents.2:93 build/C/man3/readdir.3:176
395 #: build/C/man2/getdents.2:96 build/C/man3/readdir.3:179
396 msgid "This is a block device."
400 #: build/C/man2/getdents.2:96 build/C/man3/readdir.3:179
406 #: build/C/man2/getdents.2:99 build/C/man3/readdir.3:182
407 msgid "This is a character device."
411 #: build/C/man2/getdents.2:99 build/C/man3/readdir.3:182
417 #: build/C/man2/getdents.2:102 build/C/man3/readdir.3:185
418 msgid "This is a directory."
422 #: build/C/man2/getdents.2:102 build/C/man3/readdir.3:185
428 #: build/C/man2/getdents.2:105 build/C/man3/readdir.3:188
429 msgid "This is a named pipe (FIFO)."
433 #: build/C/man2/getdents.2:105 build/C/man3/readdir.3:188
439 #: build/C/man2/getdents.2:108 build/C/man3/readdir.3:191
440 msgid "This is a symbolic link."
444 #: build/C/man2/getdents.2:108 build/C/man3/readdir.3:191
450 #: build/C/man2/getdents.2:111 build/C/man3/readdir.3:194
451 msgid "This is a regular file."
455 #: build/C/man2/getdents.2:111 build/C/man3/readdir.3:194
461 #: build/C/man2/getdents.2:114 build/C/man3/readdir.3:197
462 msgid "This is a UNIX domain socket."
466 #: build/C/man2/getdents.2:114 build/C/man3/readdir.3:197
468 msgid "B<DT_UNKNOWN>"
471 #. The glibc manual says that on some systems this is the only
474 #: build/C/man2/getdents.2:117 build/C/man3/readdir.3:202
475 msgid "The file type is unknown."
479 #: build/C/man2/getdents.2:127
481 "The I<d_type> field is implemented since Linux 2.6.4. It occupies a space "
482 "that was previously a zero-filled padding byte in the I<linux_dirent> "
483 "structure. Thus, on kernels before 2.6.3, attempting to access this field "
484 "always provides the value 0 (B<DT_UNKNOWN>)."
488 #. The same sentence is in getdents.2
490 #: build/C/man2/getdents.2:136 build/C/man3/readdir.3:216
492 "Currently, only some file systems (among them: Btrfs, ext2, ext3, and ext4) "
493 "have full support for returning the file type in I<d_type>. All "
494 "applications must properly handle a return of B<DT_UNKNOWN>."
498 #: build/C/man2/getdents.2:142
500 "On success, the number of bytes read is returned. On end of directory, 0 is "
501 "returned. On error, -1 is returned, and I<errno> is set appropriately."
505 #: build/C/man2/getdents.2:147 build/C/man2/readdir.2:97
506 msgid "Invalid file descriptor I<fd>."
510 #: build/C/man2/getdents.2:147 build/C/man2/readdir.2:97
516 #: build/C/man2/getdents.2:150 build/C/man2/readdir.2:100
517 msgid "Argument points outside the calling process's address space."
521 #: build/C/man2/getdents.2:153 build/C/man2/readdir.2:103
522 msgid "Result buffer is too small."
526 #: build/C/man2/getdents.2:153 build/C/man3/opendir.3:104 build/C/man2/readdir.2:103 build/C/man3/scandir.3:104
532 #: build/C/man2/getdents.2:156 build/C/man2/readdir.2:106
533 msgid "No such directory."
537 #: build/C/man2/getdents.2:156 build/C/man3/opendir.3:110 build/C/man2/readdir.2:106 build/C/man3/scandir.3:110 build/C/man3/scandirat.3:97
543 #: build/C/man2/getdents.2:159 build/C/man2/readdir.2:109
544 msgid "File descriptor does not refer to a directory."
547 #. SVr4 documents additional ENOLINK, EIO error conditions.
549 #: build/C/man2/getdents.2:162
554 #: build/C/man2/getdents.2:168
556 "Glibc does not provide a wrapper for this system call; call it using "
557 "B<syscall>(2). You will need to define the I<linux_dirent> structure "
562 #: build/C/man2/getdents.2:171
563 msgid "This call supersedes B<readdir>(2)."
567 #: build/C/man2/getdents.2:184
569 "The original Linux B<getdents>() system call did not handle large file "
570 "systems and large file offsets. Consequently, Linux 2.4 added "
571 "B<getdents64>(), with wider types for the I<d_ino> and I<d_off> fields "
572 "employed in the I<linux_dirent> structure."
576 #: build/C/man2/getdents.2:184 build/C/man3/scandir.3:148
581 #. FIXME: This program uses the older getdents(0 system call
582 #. and the structure with smaller field widths.
584 #: build/C/man2/getdents.2:191
586 "The program below demonstrates the use of B<getdents>(). The following "
587 "output shows an example of what we see when running this program on an ext2 "
592 #: build/C/man2/getdents.2:204
595 "$B< ./a.out /testfs/>\n"
596 "--------------- nread=120 ---------------\n"
597 "i-node# file type d_reclen d_off d_name\n"
598 " 2 directory 16 12 .\n"
599 " 2 directory 16 24 ..\n"
600 " 11 directory 24 44 lost+found\n"
601 " 12 regular 16 56 a\n"
602 " 228929 directory 16 68 sub\n"
603 " 16353 directory 16 80 sub2\n"
604 " 130817 directory 16 4096 sub3\n"
608 #: build/C/man2/getdents.2:206
610 msgid "Program source"
614 #: build/C/man2/getdents.2:217
617 "#define _GNU_SOURCE\n"
618 "#include E<lt>dirent.hE<gt> /* Defines DT_* constants */\n"
619 "#include E<lt>fcntl.hE<gt>\n"
620 "#include E<lt>stdio.hE<gt>\n"
621 "#include E<lt>unistd.hE<gt>\n"
622 "#include E<lt>stdlib.hE<gt>\n"
623 "#include E<lt>sys/stat.hE<gt>\n"
624 "#include E<lt>sys/syscall.hE<gt>\n"
628 #: build/C/man2/getdents.2:220
631 "#define handle_error(msg) \\e\n"
632 " do { perror(msg); exit(EXIT_FAILURE); } while (0)\n"
636 #: build/C/man2/getdents.2:227
639 "struct linux_dirent {\n"
642 " unsigned short d_reclen;\n"
648 #: build/C/man2/getdents.2:229
650 msgid "#define BUF_SIZE 1024\n"
654 #: build/C/man2/getdents.2:238
658 "main(int argc, char *argv[])\n"
661 " char buf[BUF_SIZE];\n"
662 " struct linux_dirent *d;\n"
668 #: build/C/man2/getdents.2:242
671 " fd = open(argc E<gt> 1 ? argv[1] : \".\", O_RDONLY | O_DIRECTORY);\n"
673 " handle_error(\"open\");\n"
677 #: build/C/man2/getdents.2:247
681 " nread = syscall(SYS_getdents, fd, buf, BUF_SIZE);\n"
682 " if (nread == -1)\n"
683 " handle_error(\"getdents\");\n"
687 #: build/C/man2/getdents.2:250
695 #: build/C/man2/getdents.2:269
698 " printf(\"--------------- nread=%d ---------------\\en\", nread);\n"
699 " printf(\"i-node# file type d_reclen d_off d_name\\en\");\n"
700 " for (bpos = 0; bpos E<lt> nread;) {\n"
701 " d = (struct linux_dirent *) (buf + bpos);\n"
702 " printf(\"%8ld \", d-E<gt>d_ino);\n"
703 " d_type = *(buf + bpos + d-E<gt>d_reclen - 1);\n"
704 " printf(\"%-10s \", (d_type == DT_REG) ? \"regular\" :\n"
705 " (d_type == DT_DIR) ? \"directory\" :\n"
706 " (d_type == DT_FIFO) ? \"FIFO\" :\n"
707 " (d_type == DT_SOCK) ? \"socket\" :\n"
708 " (d_type == DT_LNK) ? \"symlink\" :\n"
709 " (d_type == DT_BLK) ? \"block dev\" :\n"
710 " (d_type == DT_CHR) ? \"char dev\" : "
712 " printf(\"%4d %10lld %s\\en\", d-E<gt>d_reclen,\n"
713 " (long long) d-E<gt>d_off, (char *) d-E<gt>d_name);\n"
714 " bpos += d-E<gt>d_reclen;\n"
720 #: build/C/man2/getdents.2:272
723 " exit(EXIT_SUCCESS);\n"
728 #: build/C/man2/getdents.2:276
729 msgid "B<readdir>(2), B<readdir>(3)"
733 #: build/C/man3/getdirentries.3:27
735 msgid "GETDIRENTRIES"
739 #: build/C/man3/getdirentries.3:27
745 #: build/C/man3/getdirentries.3:27 build/C/man3/opendir.3:30 build/C/man3/scandir.3:34
751 #: build/C/man3/getdirentries.3:30
752 msgid "getdirentries - get directory entries in a file system-independent format"
756 #: build/C/man3/getdirentries.3:35
758 "B<ssize_t getdirentries(int >I<fd>B<, char *>I<buf>B<, size_t >I<nbytes> B<, "
759 "off_t *>I<basep>B<);>"
763 #: build/C/man3/getdirentries.3:43
764 msgid "B<getdirentries>(): _BSD_SOURCE || _SVID_SOURCE"
768 #: build/C/man3/getdirentries.3:56
770 "Read directory entries from the directory specified by I<fd> into I<buf>. "
771 "At most I<nbytes> are read. Reading starts at offset I<*basep>, and "
772 "I<*basep> is updated with the new position after reading."
776 #: build/C/man3/getdirentries.3:62
778 "B<getdirentries>() returns the number of bytes read or zero when at the end "
779 "of the directory. If an error occurs, -1 is returned, and I<errno> is set "
784 #: build/C/man3/getdirentries.3:64
785 msgid "See the Linux library source code for details."
789 #: build/C/man3/getdirentries.3:72
791 "Not in POSIX.1-2001. Present on the BSDs, and a few other systems. Use "
792 "B<opendir>(3) and B<readdir>(3) instead."
796 #: build/C/man3/getdirentries.3:75
797 msgid "B<lseek>(2), B<open>(2)"
801 #: build/C/man3/opendir.3:30
807 #: build/C/man3/opendir.3:30
813 #: build/C/man3/opendir.3:33
814 msgid "opendir, fdopendir - open a directory"
818 #: build/C/man3/opendir.3:41
821 "B<DIR *opendir(const char *>I<name>B<);>\n"
822 "B<DIR *fdopendir(int >I<fd>B<);>\n"
826 #: build/C/man3/opendir.3:49
827 msgid "B<fdopendir>():"
831 #: build/C/man3/opendir.3:52
833 msgid "Since glibc 2.10:"
837 #: build/C/man3/opendir.3:55
838 msgid "_XOPEN_SOURCE\\ E<gt>=\\ 700 || _POSIX_C_SOURCE\\ E<gt>=\\ 200809L"
842 #: build/C/man3/opendir.3:55
844 msgid "Before glibc 2.10:"
848 #: build/C/man3/opendir.3:58
853 #: build/C/man3/opendir.3:67
855 "The B<opendir>() function opens a directory stream corresponding to the "
856 "directory I<name>, and returns a pointer to the directory stream. The "
857 "stream is positioned at the first entry in the directory."
861 #: build/C/man3/opendir.3:81
863 "The B<fdopendir>() function is like B<opendir>(), but returns a directory "
864 "stream for the directory referred to by the open file descriptor I<fd>. "
865 "After a successful call to B<fdopendir>(), I<fd> is used internally by the "
866 "implementation, and should not otherwise be used by the application."
870 #: build/C/man3/opendir.3:90
872 "The B<opendir>() and B<fdopendir>() functions return a pointer to the "
873 "directory stream. On error, NULL is returned, and I<errno> is set "
878 #: build/C/man3/opendir.3:91
884 #: build/C/man3/opendir.3:94
885 msgid "Permission denied."
889 #: build/C/man3/opendir.3:98
890 msgid "I<fd> is not a valid file descriptor opened for reading."
894 #: build/C/man3/opendir.3:98
900 #: build/C/man3/opendir.3:101
901 msgid "Too many file descriptors in use by process."
905 #: build/C/man3/opendir.3:101
911 #: build/C/man3/opendir.3:104
912 msgid "Too many files are currently open in the system."
916 #: build/C/man3/opendir.3:107
917 msgid "Directory does not exist, or I<name> is an empty string."
921 #: build/C/man3/opendir.3:107 build/C/man3/scandir.3:107
927 #: build/C/man3/opendir.3:110 build/C/man3/scandir.3:110
928 msgid "Insufficient memory to complete the operation."
932 #: build/C/man3/opendir.3:113
933 msgid "I<name> is not a directory."
937 #: build/C/man3/opendir.3:113 build/C/man3/scandir.3:113 build/C/man3/scandirat.3:103
943 #: build/C/man3/opendir.3:116
944 msgid "B<fdopendir>() is available in glibc since version 2.4."
948 #: build/C/man3/opendir.3:121
950 "B<opendir>() is present on SVr4, 4.3BSD, and specified in POSIX.1-2001. "
951 "B<fdopendir>() is specified in POSIX.1-2008."
955 #: build/C/man3/opendir.3:124
957 "The underlying file descriptor of the directory stream can be obtained using "
962 #: build/C/man3/opendir.3:138
964 "The B<opendir>() function sets the close-on-exec flag for the file "
965 "descriptor underlying the I<DIR *>. The B<fdopendir>() function leaves the "
966 "setting of the close-on-exec flag unchanged for the file descriptor, I<fd>. "
967 "POSIX.1-200x leaves it unspecified whether a successful call to "
968 "B<fdopendir>() will set the close-on-exec flag for the file descriptor, "
973 #: build/C/man3/opendir.3:147
975 "B<open>(2), B<closedir>(3), B<dirfd>(3), B<readdir>(3), B<rewinddir>(3), "
976 "B<scandir>(3), B<seekdir>(3), B<telldir>(3)"
980 #: build/C/man2/readdir.2:28 build/C/man3/readdir.3:34
986 #: build/C/man2/readdir.2:28
992 #: build/C/man2/readdir.2:31
993 msgid "readdir - read directory entry"
997 #: build/C/man2/readdir.2:36
1000 "B<int readdir(unsigned int >I<fd>B<, struct old_linux_dirent *>I<dirp>B<,>\n"
1001 "B< unsigned int >I<count>B<);>\n"
1005 #: build/C/man2/readdir.2:45
1007 "This is not the function you are interested in. Look at B<readdir>(3) for "
1008 "the POSIX conforming C library interface. This page documents the bare "
1009 "kernel system call interface, which is superseded by B<getdents>(2)."
1013 #: build/C/man2/readdir.2:59
1015 "B<readdir>() reads one I<old_linux_dirent> structure from the directory "
1016 "referred to by the file descriptor I<fd> into the buffer pointed to by "
1017 "I<dirp>. The argument I<count> is ignored; at most one I<old_linux_dirent> "
1018 "structure is read."
1022 #: build/C/man2/readdir.2:63
1023 msgid "The I<old_linux_dirent> structure is declared as follows:"
1027 #: build/C/man2/readdir.2:72
1030 "struct old_linux_dirent {\n"
1031 " long d_ino; /* inode number */\n"
1032 " off_t d_off; /* offset to this I<old_linux_dirent> */\n"
1033 " unsigned short d_reclen; /* length of this I<d_name> */\n"
1034 " char d_name[NAME_MAX+1]; /* filename (null-terminated) */\n"
1039 #: build/C/man2/readdir.2:86
1041 "I<d_ino> is an inode number. I<d_off> is the distance from the start of the "
1042 "directory to this I<old_linux_dirent>. I<d_reclen> is the size of "
1043 "I<d_name>, not counting the terminating null byte. I<d_name> is a "
1044 "null-terminated filename."
1048 #: build/C/man2/readdir.2:92
1050 "On success, 1 is returned. On end of directory, 0 is returned. On error, "
1051 "-1 is returned, and I<errno> is set appropriately."
1055 #: build/C/man2/readdir.2:111
1056 msgid "This system call is Linux-specific."
1060 #: build/C/man2/readdir.2:117
1062 "Glibc does not provide a wrapper for this system call; call it using "
1063 "B<syscall>(2). You will need to define the I<old_linux_dirent> structure "
1068 #: build/C/man2/readdir.2:120
1069 msgid "B<getdents>(2), B<readdir>(3)"
1073 #: build/C/man3/readdir.3:34
1079 #: build/C/man3/readdir.3:37
1080 msgid "readdir, readdir_r - read a directory"
1084 #: build/C/man3/readdir.3:42
1086 msgid "B<struct dirent *readdir(DIR *>I<dirp>B<);>\n"
1090 #: build/C/man3/readdir.3:45
1093 "B<int readdir_r(DIR *>I<dirp>B<, struct dirent *>I<entry>B<, struct dirent "
1094 "**>I<result>B<);>\n"
1098 #: build/C/man3/readdir.3:54
1099 msgid "B<readdir_r>():"
1103 #: build/C/man3/readdir.3:57
1105 "_POSIX_C_SOURCE\\ E<gt>=\\ 1 || _XOPEN_SOURCE || _BSD_SOURCE || _SVID_SOURCE "
1110 #: build/C/man3/readdir.3:67
1112 "The B<readdir>() function returns a pointer to a I<dirent> structure "
1113 "representing the next directory entry in the directory stream pointed to by "
1114 "I<dirp>. It returns NULL on reaching the end of the directory stream or if "
1115 "an error occurred."
1119 #: build/C/man3/readdir.3:71
1120 msgid "On Linux, the I<dirent> structure is defined as follows:"
1124 #: build/C/man3/readdir.3:82
1128 " ino_t d_ino; /* inode number */\n"
1129 " off_t d_off; /* offset to the next dirent */\n"
1130 " unsigned short d_reclen; /* length of this record */\n"
1131 " unsigned char d_type; /* type of file; not supported\n"
1132 " by all file system types */\n"
1133 " char d_name[256]; /* filename */\n"
1138 #: build/C/man3/readdir.3:96
1140 "The only fields in the I<dirent> structure that are mandated by POSIX.1 are: "
1141 "I<d_name>[], of unspecified size, with at most B<NAME_MAX> characters "
1142 "preceding the terminating null byte; and (as an XSI extension) I<d_ino>. "
1143 "The other fields are unstandardized, and not present on all systems; see "
1144 "NOTES below for some further details."
1148 #: build/C/man3/readdir.3:102
1150 "The data returned by B<readdir>() may be overwritten by subsequent calls to "
1151 "B<readdir>() for the same directory stream."
1155 #: build/C/man3/readdir.3:117
1157 "The B<readdir_r>() function is a reentrant version of B<readdir>(). It "
1158 "reads the next directory entry from the directory stream I<dirp>, and "
1159 "returns it in the caller-allocated buffer pointed to by I<entry>. (See "
1160 "NOTES for information on allocating this buffer.) A pointer to the returned "
1161 "item is placed in I<*result>; if the end of the directory stream was "
1162 "encountered, then NULL is instead returned in I<*result>."
1166 #: build/C/man3/readdir.3:132
1168 "On success, B<readdir>() returns a pointer to a I<dirent> structure. (This "
1169 "structure may be statically allocated; do not attempt to B<free>(3) it.) "
1170 "If the end of the directory stream is reached, NULL is returned and I<errno> "
1171 "is not changed. If an error occurs, NULL is returned and I<errno> is set "
1176 #: build/C/man3/readdir.3:141
1178 "The B<readdir_r>() function returns 0 on success. On error, it returns a "
1179 "positive error number (listed under ERRORS). If the end of the directory "
1180 "stream is reached, B<readdir_r>() returns 0, and returns NULL in "
1185 #: build/C/man3/readdir.3:147 build/C/man3/rewinddir.3:51
1186 msgid "SVr4, 4.3BSD, POSIX.1-2001."
1190 #: build/C/man3/readdir.3:163
1192 "Only the fields I<d_name> and I<d_ino> are specified in POSIX.1-2001. The "
1193 "remaining fields are available on many, but not all systems. Under glibc, "
1194 "programs can check for the availability of the fields not defined in POSIX.1 "
1195 "by testing whether the macros B<_DIRENT_HAVE_D_NAMLEN>, "
1196 "B<_DIRENT_HAVE_D_RECLEN>, B<_DIRENT_HAVE_D_OFF>, or B<_DIRENT_HAVE_D_TYPE> "
1201 #: build/C/man3/readdir.3:176
1203 "Other than Linux, the I<d_type> field is available mainly only on BSD "
1204 "systems. This field makes it possible to avoid the expense of calling "
1205 "B<lstat>(2) if further actions depend on the type of the file. If the "
1206 "B<_BSD_SOURCE> feature test macro is defined, then glibc defines the "
1207 "following macro constants for the value returned in I<d_type>:"
1211 #: build/C/man3/readdir.3:207
1213 "If the file type could not be determined, the value B<DT_UNKNOWN> is "
1214 "returned in I<d_type>."
1218 #: build/C/man3/readdir.3:226
1220 "Since POSIX.1 does not specify the size of the I<d_name> field, and other "
1221 "nonstandard fields may precede that field within the I<dirent> structure, "
1222 "portable applications that use B<readdir_r>() should allocate the buffer "
1223 "whose address is passed in I<entry> as follows:"
1227 #: build/C/man3/readdir.3:232
1230 "len = offsetof(struct dirent, d_name) +\n"
1231 " pathconf(dirpath, _PC_NAME_MAX) + 1\n"
1232 "entryp = malloc(len);\n"
1236 #: build/C/man3/readdir.3:239
1237 msgid "(POSIX.1 requires that I<d_name> is the last field in a I<struct dirent>.)"
1241 #: build/C/man3/readdir.3:251
1243 "B<getdents>(2), B<read>(2), B<closedir>(3), B<dirfd>(3), B<ftw>(3), "
1244 "B<offsetof>(3), B<opendir>(3), B<rewinddir>(3), B<scandir>(3), "
1245 "B<seekdir>(3), B<telldir>(3)"
1249 #: build/C/man3/rewinddir.3:29
1255 #: build/C/man3/rewinddir.3:29
1261 #: build/C/man3/rewinddir.3:32
1262 msgid "rewinddir - reset directory stream"
1266 #: build/C/man3/rewinddir.3:39
1268 msgid "B<void rewinddir(DIR *>I<dirp>B<);>\n"
1272 #: build/C/man3/rewinddir.3:45
1274 "The B<rewinddir>() function resets the position of the directory stream "
1275 "I<dirp> to the beginning of the directory."
1279 #: build/C/man3/rewinddir.3:49
1280 msgid "The B<rewinddir>() function returns no value."
1284 #: build/C/man3/rewinddir.3:58
1286 "B<closedir>(3), B<opendir>(3), B<readdir>(3), B<scandir>(3), B<seekdir>(3), "
1291 #: build/C/man3/scandir.3:34
1297 #: build/C/man3/scandir.3:34
1303 #: build/C/man3/scandir.3:37
1304 msgid "scandir, alphasort, versionsort - scan a directory for matching entries"
1308 #: build/C/man3/scandir.3:42
1310 msgid "B<int scandir(const char *>I<dirp>B<, struct dirent ***>I<namelist>B<,>\n"
1314 #: build/C/man3/scandir.3:45 build/C/man3/scandirat.3:43
1317 "B<int (*>I<filter>B<)(const struct dirent *),>\n"
1318 "B<int (*>I<compar>B<)(const struct dirent **, const struct dirent **));>\n"
1322 #: build/C/man3/scandir.3:48
1324 msgid "B<int alphasort(const void *>I<a>B<, const void *>I<b>B<);>\n"
1328 #: build/C/man3/scandir.3:50
1330 msgid "B<int versionsort(const void *>I<a>B<, const void *>I<b>B<);>\n"
1334 #: build/C/man3/scandir.3:60
1335 msgid "B<scandir>(), B<alphasort>(): _BSD_SOURCE || _SVID_SOURCE"
1339 #: build/C/man3/scandir.3:63
1340 msgid "B<versionsort>(): _GNU_SOURCE"
1344 #: build/C/man3/scandir.3:78
1346 "The B<scandir>() function scans the directory I<dirp>, calling I<filter>() "
1347 "on each directory entry. Entries for which I<filter>() returns nonzero are "
1348 "stored in strings allocated via B<malloc>(3), sorted using B<qsort>(3) with "
1349 "the comparison function I<compar>(), and collected in array I<namelist> "
1350 "which is allocated via B<malloc>(3). If I<filter> is NULL, all entries are "
1355 #: build/C/man3/scandir.3:90
1357 "The B<alphasort>() and B<versionsort>() functions can be used as the "
1358 "comparison function I<compar>(). The former sorts directory entries using "
1359 "B<strcoll>(3), the latter using B<strverscmp>(3) on the strings "
1360 "I<(*a)-E<gt>d_name> and I<(*b)-E<gt>d_name>."
1364 #: build/C/man3/scandir.3:95
1366 "The B<scandir>() function returns the number of directory entries selected "
1367 "or -1 if an error occurs."
1371 #: build/C/man3/scandir.3:103
1373 "The B<alphasort>() and B<versionsort>() functions return an integer less "
1374 "than, equal to, or greater than zero if the first argument is considered to "
1375 "be respectively less than, equal to, or greater than the second."
1379 #: build/C/man3/scandir.3:107
1380 msgid "The path in I<dirp> does not exist."
1384 #: build/C/man3/scandir.3:113
1385 msgid "The path in I<dirp> is not a directory."
1389 #: build/C/man3/scandir.3:116
1390 msgid "B<versionsort>() was added to glibc in version 2.1."
1394 #: build/C/man3/scandir.3:123
1396 "B<alphasort>() and B<scandir>() are specified in POSIX.1-2008, and are "
1397 "widely available. B<versionsort>() is a GNU extension."
1401 #: build/C/man3/scandir.3:130
1403 "The functions B<scandir>() and B<alphasort>() are from 4.3BSD, and have "
1404 "been available under Linux since libc4. Libc4 and libc5 use the more "
1409 #: build/C/man3/scandir.3:134
1412 " int alphasort(const struct dirent ** a,\n"
1413 " const struct dirent **b);\n"
1417 #: build/C/man3/scandir.3:137
1418 msgid "but glibc 2.0 returns to the imprecise BSD prototype."
1422 #: build/C/man3/scandir.3:141
1424 "The function B<versionsort>() is a GNU extension, available since glibc "
1429 #: build/C/man3/scandir.3:148
1431 "Since glibc 2.1, B<alphasort>() calls B<strcoll>(3); earlier it used "
1436 #: build/C/man3/scandir.3:153
1439 "#define _SVID_SOURCE\n"
1440 "/* print files in current directory in reverse order */\n"
1441 "#include E<lt>dirent.hE<gt>\n"
1445 #: build/C/man3/scandir.3:159
1451 " struct dirent **namelist;\n"
1456 #: build/C/man3/scandir.3:171
1459 " n = scandir(\".\", &namelist, NULL, alphasort);\n"
1461 " perror(\"scandir\");\n"
1464 " printf(\"%s\\en\", namelist[n]-E<gt>d_name);\n"
1465 " free(namelist[n]);\n"
1467 " free(namelist);\n"
1473 #: build/C/man3/scandir.3:184
1475 "B<closedir>(3), B<fnmatch>(3), B<opendir>(3), B<readdir>(3), "
1476 "B<rewinddir>(3), B<scandirat>(3), B<seekdir>(3), B<strcmp>(3), "
1477 "B<strcoll>(3), B<strverscmp>(3), B<telldir>(3)"
1481 #: build/C/man3/scandirat.3:26
1487 #: build/C/man3/scandirat.3:26
1493 #: build/C/man3/scandirat.3:29
1494 msgid "scandirat - scan a directory relative to a directory file descriptor"
1498 #: build/C/man3/scandirat.3:32
1500 msgid "B<#define _GNU_SOURCE> /* See feature_test_macros(7) */\n"
1504 #: build/C/man3/scandirat.3:35
1507 "B<#include E<lt>fcntl.hE<gt>> /* Definition of AT_* constants */\n"
1508 "B<#include E<lt>dirent.hE<gt>>\n"
1512 #: build/C/man3/scandirat.3:39
1514 "B<int scandirat(int >I<dirfd>B<, const char *>I<dirp>B<,> B<struct dirent "
1515 "***>I<namelist>B<,>"
1519 #: build/C/man3/scandirat.3:51
1521 "The B<scandirat>() system call operates in exactly the same way as "
1522 "B<scandir>(3), except for the differences described in this manual page."
1526 #: build/C/man3/scandirat.3:61
1528 "If the pathname given in I<dirp> is relative, then it is interpreted "
1529 "relative to the directory referred to by the file descriptor I<dirfd> "
1530 "(rather than relative to the current working directory of the calling "
1531 "process, as is done by B<scandir>(3) for a relative pathname)."
1535 #: build/C/man3/scandirat.3:73
1537 "If I<dirp> is relative and I<dirfd> is the special value B<AT_FDCWD>, then "
1538 "I<dirp> is interpreted relative to the current working directory of the "
1539 "calling process (like B<scandir>(3))."
1543 #: build/C/man3/scandirat.3:79
1544 msgid "If I<dirp> is absolute, then I<dirfd> is ignored."
1548 #: build/C/man3/scandirat.3:86
1550 "On success, B<scandirat>() returns the number of directory entries "
1551 "selected. On error, -1 is returned and I<errno> is set to indicate the "
1556 #: build/C/man3/scandirat.3:93
1558 "The same errors that occur for B<scandir>(3) can also occur for "
1559 "B<scandirat>(). The following additional errors can occur for "
1564 #: build/C/man3/scandirat.3:97
1565 msgid "I<dirfd> is not a valid file descriptor."
1569 #: build/C/man3/scandirat.3:103
1571 "I<dirp> is a relative path and I<dirfd> is a file descriptor referring to a "
1572 "file other than a directory."
1576 #: build/C/man3/scandirat.3:106
1577 msgid "B<scandirat>() was added to glibc in version 2.15."
1581 #: build/C/man3/scandirat.3:108
1582 msgid "This function is a GNU extension."
1586 #: build/C/man3/scandirat.3:113
1587 msgid "See B<openat>(2) for an explanation of the need for B<scandirat>()."
1591 #: build/C/man3/scandirat.3:117
1592 msgid "B<openat>(2), B<scandir>(3), B<path_resolution>(7)"
1596 #: build/C/man3/seekdir.3:28
1602 #: build/C/man3/seekdir.3:28 build/C/man3/telldir.3:28
1608 #: build/C/man3/seekdir.3:32
1610 "seekdir - set the position of the next readdir() call in the directory "
1615 #: build/C/man3/seekdir.3:37
1617 msgid "B<void seekdir(DIR *>I<dirp>B<, long >I<offset>B<);>\n"
1621 #: build/C/man3/seekdir.3:46
1622 msgid "B<seekdir>(): _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE"
1626 #: build/C/man3/seekdir.3:58
1628 "The B<seekdir>() function sets the location in the directory stream from "
1629 "which the next B<readdir>(2) call will start. B<seekdir>() should be used "
1630 "with an I<offset> returned by B<telldir>(3)."
1634 #: build/C/man3/seekdir.3:62
1635 msgid "The B<seekdir>() function returns no value."
1639 #: build/C/man3/seekdir.3:64 build/C/man3/telldir.3:64
1640 msgid "4.3BSD, POSIX.1-2001."
1644 #: build/C/man3/seekdir.3:72
1646 "In glibc up to version 2.1.1, the type of the I<offset> argument was "
1647 "I<off_t>. POSIX.1-2001 specifies I<long>, and this is the type used since "
1652 #: build/C/man3/seekdir.3:80
1654 "B<lseek>(2), B<closedir>(3), B<opendir>(3), B<readdir>(3), B<rewinddir>(3), "
1655 "B<scandir>(3), B<telldir>(3)"
1659 #: build/C/man3/telldir.3:28
1665 #: build/C/man3/telldir.3:31
1666 msgid "telldir - return current location in directory stream"
1670 #: build/C/man3/telldir.3:36
1672 msgid "B<long telldir(DIR *>I<dirp>B<);>\n"
1676 #: build/C/man3/telldir.3:45
1677 msgid "B<telldir>(): _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE"
1681 #: build/C/man3/telldir.3:50
1683 "The B<telldir>() function returns the current location associated with the "
1684 "directory stream I<dirp>."
1688 #: build/C/man3/telldir.3:58
1690 "On success, the B<telldir>() function returns the current location in the "
1691 "directory stream. On error, -1 is returned, and I<errno> is set "
1696 #: build/C/man3/telldir.3:72
1698 "In glibc up to version 2.1.1, the return type of B<telldir>() was "
1699 "I<off_t>. POSIX.1-2001 specifies I<long>, and this is the type used since "
1704 #: build/C/man3/telldir.3:79
1706 "B<closedir>(3), B<opendir>(3), B<readdir>(3), B<rewinddir>(3), "
1707 "B<scandir>(3), B<seekdir>(3)"