cosmopolitan/third_party/bash/ndir.h
2023-12-11 07:38:17 -08:00

37 lines
1.1 KiB
C

/* <dir.h> -- definitions for 4.2BSD-compatible directory access.
last edit: 09-Jul-1983 D A Gwyn. */
/* Size of directory block. */
#define DIRBLKSIZ 512
/* NOTE: MAXNAMLEN must be one less than a multiple of 4 */
#if defined (VMS)
# define MAXNAMLEN (DIR$S_NAME + 7) /* 80 plus room for version #. */
# define MAXFULLSPEC NAM$C_MAXRSS /* Maximum full spec */
#else
# define MAXNAMLEN 15 /* Maximum filename length. */
#endif /* VMS */
/* Data from readdir (). */
struct direct {
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. */
};
/* Stream data from opendir (). */
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;
extern DIR *opendir ();
extern struct direct *readdir ();
extern long telldir ();
extern void seekdir (), closedir ();
#define rewinddir(dirp) seekdir (dirp, 0L)