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1 /* This file is part of XEmacs.
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2
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3 XEmacs is free software; you can redistribute it and/or modify it
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4 under the terms of the GNU General Public License as published by the
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5 Free Software Foundation; either version 2, or (at your option) any
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6 later version.
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7
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8 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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11 for more details.
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12
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13 You should have received a copy of the GNU General Public License
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14 along with XEmacs; see the file COPYING. If not, write to
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15 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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16 Boston, MA 02111-1307, USA. */
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17
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18 /* Synched up with: FSF 19.30. */
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19
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20 /*
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21 <dir.h> -- definitions for 4.2BSD-compatible directory access
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22
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23 last edit: 09-Jul-1983 D A Gwyn
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24 */
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25
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26 #ifdef VMS
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27 #ifndef FAB$C_BID
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28 #include <fab.h>
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29 #endif
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30 #ifndef NAM$C_BID
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31 #include <nam.h>
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32 #endif
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33 #ifndef RMS$_SUC
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34 #include <rmsdef.h>
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35 #endif
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36 #include "vms-dir.h"
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37 #endif /* VMS */
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38
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39 #define DIRBLKSIZ 512 /* size of directory block */
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40 #ifdef VMS
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41 #define MAXNAMLEN (DIR$S_NAME + 7) /* 80 plus room for version #. */
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42 #define MAXFULLSPEC NAM$C_MAXRSS /* Maximum full spec */
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43 #else
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44 #ifdef WINDOWSNT
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45 #define MAXNAMLEN 255
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46 #else /* not WINDOWSNT */
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47 #define MAXNAMLEN 15 /* maximum filename length */
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48 #endif /* not WINDOWSNT */
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49 #endif /* VMS */
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50 /* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
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51
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52 struct direct /* data from readdir() */
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53 {
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54 long d_ino; /* inode number of entry */
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55 unsigned short d_reclen; /* length of this record */
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56 unsigned short d_namlen; /* length of string in d_name */
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57 char d_name[MAXNAMLEN+1]; /* name of file */
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58 };
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59
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60 typedef struct
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61 {
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62 int dd_fd; /* file descriptor */
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63 int dd_loc; /* offset in block */
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64 int dd_size; /* amount of valid data */
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65 char dd_buf[DIRBLKSIZ]; /* directory block */
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66 } DIR; /* stream data from opendir() */
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67
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68 extern DIR *opendir (CONST char *filename)
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69 extern int closedir (DIR *dirp);
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70 extern struct direct *readdir (DIR *dirp);
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71 extern struct direct *readdirver (DIR *dirp);
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72 extern long telldir (DIR *dirp);
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73 extern void seekdir (DIR *dirp, long loc);
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74
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75 #define rewinddir( dirp ) seekdir( dirp, 0L )
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