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[emacs.git] / src / ndir.h
blob438d5c20a12cd7b62a96f9a599057ee876069e1e
1 /*
2 <dir.h> -- definitions for 4.2BSD-compatible directory access
4 last edit: 09-Jul-1983 D A Gwyn
5 */
7 #ifdef VMS
8 #ifndef FAB$C_BID
9 #include <fab.h>
10 #endif
11 #ifndef NAM$C_BID
12 #include <nam.h>
13 #endif
14 #ifndef RMS$_SUC
15 #include <rmsdef.h>
16 #endif
17 #include "dir.h"
18 #endif /* VMS */
20 #define DIRBLKSIZ 512 /* size of directory block */
21 #ifdef VMS
22 #define MAXNAMLEN (DIR$S_NAME + 7) /* 80 plus room for version #. */
23 #define MAXFULLSPEC NAM$C_MAXRSS /* Maximum full spec */
24 #else
25 #define MAXNAMLEN 15 /* maximum filename length */
26 #endif /* VMS */
27 /* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
29 struct direct /* data from readdir() */
31 long d_ino; /* inode number of entry */
32 unsigned short d_reclen; /* length of this record */
33 unsigned short d_namlen; /* length of string in d_name */
34 char d_name[MAXNAMLEN+1]; /* name of file */
37 typedef struct
39 int dd_fd; /* file descriptor */
40 int dd_loc; /* offset in block */
41 int dd_size; /* amount of valid data */
42 char dd_buf[DIRBLKSIZ]; /* directory block */
43 } DIR; /* stream data from opendir() */
45 extern DIR *opendir();
46 extern struct direct *readdir();
47 extern long telldir();
48 extern void seekdir();
49 extern void closedir();
51 #define rewinddir( dirp ) seekdir( dirp, 0L )