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/*
<dir.h> -- definitions for 4.2BSD-compatible directory access
last edit: 09-Jul-1983 D A Gwyn
* The code here is forced by the interface, and is not subject to
* copyright, constituting the only possible expression of the
* algorithm in this format.
*/
#define DIRBLKSIZ 512 /* size of directory block */
#ifdef WINDOWSNT
#define MAXNAMLEN 255
#else /* not WINDOWSNT */
#define MAXNAMLEN 15 /* maximum filename length */
#endif /* not WINDOWSNT */
/* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
struct direct /* data from readdir() */
{
long d_ino; /* inode number of entry */
unsigned short d_reclen; /* length of this record */
unsigned short d_namlen; /* length of string in d_name */
char d_name[MAXNAMLEN+1]; /* name of file */
};
typedef struct
{
int dd_fd; /* file descriptor */
int dd_loc; /* offset in block */
int dd_size; /* amount of valid data */
char dd_buf[DIRBLKSIZ]; /* directory block */
} DIR; /* stream data from opendir() */
extern DIR *opendir (char *);
extern struct direct *readdir (DIR *);
extern void seekdir (DIR *, long);
extern void closedir (DIR *);
#define rewinddir( dirp ) seekdir( dirp, 0L )
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