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d427b66a JB |
1 | /* |
2 | <dir.h> -- definitions for 4.2BSD-compatible directory access | |
3 | ||
4 | last edit: 09-Jul-1983 D A Gwyn | |
5 | */ | |
6 | ||
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$_SUC | |
15 | #include <rmsdef.h> | |
16 | #endif | |
17 | #include "dir.h" | |
18 | #endif /* VMS */ | |
19 | ||
20 | #define DIRBLKSIZ 512 /* size of directory block */ | |
21 | #ifdef VMS | |
22 | #define MAXNAMLEN (DIR$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 */ | |
28 | ||
29 | struct direct /* data from readdir() */ | |
30 | { | |
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 */ | |
35 | }; | |
36 | ||
37 | typedef struct | |
38 | { | |
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() */ | |
44 | ||
45 | extern DIR *opendir(); | |
46 | extern struct direct *readdir(); | |
47 | extern long telldir(); | |
48 | extern void seekdir(); | |
49 | extern void closedir(); | |
50 | ||
51 | #define rewinddir( dirp ) seekdir( dirp, 0L ) |