/* @(#)ndir.h	1.4	4/16/85 */
#ifndef DEV_BSIZE
#define	DEV_BSIZE	512
#endif
#define DIRBLKSIZ	DEV_BSIZE
#define	MAXNAMLEN	255

struct direct
{
		long d_ino;				/* inode number of entry */
		short d_reclen;			/* length of this record */
		short d_namlen;			/* length of string in d_name */
		char d_name[MAXNAMLEN + 1];		/* name must be no longer than this */
};

/*
 * The DIRSIZ macro gives the minimum record length which will hold
 * the directory entry.  This requires the amount of space in struct direct
 * without the d_name field, plus enough space for the name with a terminating
 * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
 */

#ifdef DIRSIZ
#undef DIRSIZ
#endif							/* DIRSIZ */
#define DIRSIZ(dp) \
    ((sizeof (struct direct) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))

/*
 * Definitions for library routines operating on directories.
 */
typedef struct _dirdesc
{
	char whichdir[256]; /* pathname used to open directory */

	struct dosdir		/* DOS directory-search structure  */
	{
		char	doshdr[21];
		char	attrib;
		short	time;
		short	date;
		short	size_l;
		short	size_h;
		char	name[13];
	} dosdir;
} DIR;

#ifndef NULL
#define NULL 0
#endif
extern DIR *opendir();
extern struct direct *readdir();
extern void closedir();