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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 | |
d427b66a | 5 | |
14216c95 GM |
6 | * The code here is forced by the interface, and is not subject to |
7 | * copyright, constituting the only possible expression of the | |
8 | * algorithm in this format. | |
9 | */ | |
d427b66a JB |
10 | |
11 | #define DIRBLKSIZ 512 /* size of directory block */ | |
6cc1fc1d RS |
12 | #ifdef WINDOWSNT |
13 | #define MAXNAMLEN 255 | |
14 | #else /* not WINDOWSNT */ | |
d427b66a | 15 | #define MAXNAMLEN 15 /* maximum filename length */ |
6cc1fc1d | 16 | #endif /* not WINDOWSNT */ |
d427b66a JB |
17 | /* NOTE: MAXNAMLEN must be one less than a multiple of 4 */ |
18 | ||
19 | struct direct /* data from readdir() */ | |
20 | { | |
21 | long d_ino; /* inode number of entry */ | |
22 | unsigned short d_reclen; /* length of this record */ | |
23 | unsigned short d_namlen; /* length of string in d_name */ | |
24 | char d_name[MAXNAMLEN+1]; /* name of file */ | |
25 | }; | |
26 | ||
27 | typedef struct | |
28 | { | |
29 | int dd_fd; /* file descriptor */ | |
30 | int dd_loc; /* offset in block */ | |
31 | int dd_size; /* amount of valid data */ | |
32 | char dd_buf[DIRBLKSIZ]; /* directory block */ | |
33 | } DIR; /* stream data from opendir() */ | |
34 | ||
35 | extern DIR *opendir(); | |
36 | extern struct direct *readdir(); | |
37 | extern long telldir(); | |
38 | extern void seekdir(); | |
39 | extern void closedir(); | |
40 | ||
41 | #define rewinddir( dirp ) seekdir( dirp, 0L ) | |
ab5796a9 MB |
42 | |
43 | /* arch-tag: aea50570-ffb7-43fd-b423-7743b10fbe6e | |
44 | (do not change this comment) */ |