103 static RST_DIR	*dirp;  variable
183 	dirp = opendirfile(dirfile);  in extractdirs()
184 	if (dirp == NULL)  in extractdirs()
238 	rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);  in treescan()
239 	dp = rst_readdir(dirp); /* "." */  in treescan()
241 		dp = rst_readdir(dirp); /* ".." */  in treescan()
246 		dp = rst_readdir(dirp); /* first real entry */  in treescan()
250 	bpt = rst_telldir(dirp);  in treescan()
262 			rst_seekdir(dirp, bpt, itp->t_seekpt);  in treescan()
264 		dp = rst_readdir(dirp);  in treescan()
265 		bpt = rst_telldir(dirp);  in treescan()
307 	rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);  in searchdir()
310 		dp = rst_readdir(dirp);  in searchdir()
431 rst_seekdir(RST_DIR *dirp, long loc, long base)  in rst_seekdir()  argument
434 	if (loc == rst_telldir(dirp))  in rst_seekdir()
439 	(void) lseek(dirp->dd_fd, base + rounddown2(loc, DIRBLKSIZ), SEEK_SET);  in rst_seekdir()
440 	dirp->dd_loc = loc & (DIRBLKSIZ - 1);  in rst_seekdir()
441 	if (dirp->dd_loc != 0)  in rst_seekdir()
442 		dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf, DIRBLKSIZ);  in rst_seekdir()
449 rst_readdir(RST_DIR *dirp)  in rst_readdir()  argument
454 		if (dirp->dd_loc == 0) {  in rst_readdir()
455 			dirp->dd_size = read(dirp->dd_fd, dirp->dd_buf,  in rst_readdir()
457 			if (dirp->dd_size <= 0) {  in rst_readdir()
462 		if (dirp->dd_loc >= dirp->dd_size) {  in rst_readdir()
463 			dirp->dd_loc = 0;  in rst_readdir()
466 		dp = (struct direct *)(dirp->dd_buf + dirp->dd_loc);  in rst_readdir()
468 		    dp->d_reclen > DIRBLKSIZ + 1 - dirp->dd_loc) {  in rst_readdir()
473 		dirp->dd_loc += dp->d_reclen;  in rst_readdir()
492 	RST_DIR *dirp;  in rst_opendir()  local
497 		dirp = opendirfile(dirfile);  in rst_opendir()
498 		rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);  in rst_opendir()
499 		return (dirp);  in rst_opendir()
510 	RST_DIR *dirp;  in rst_closedir()  local
512 	dirp = arg;  in rst_closedir()
513 	(void)close(dirp->dd_fd);  in rst_closedir()
514 	free(dirp);  in rst_closedir()
522 rst_telldir(RST_DIR *dirp)  in rst_telldir()  argument
524 	return ((long)lseek(dirp->dd_fd,  in rst_telldir()
525 	    (off_t)0, SEEK_CUR) - dirp->dd_size + dirp->dd_loc);  in rst_telldir()
534 	RST_DIR *dirp;  in opendirfile()  local
539 	if ((dirp = malloc(sizeof(RST_DIR))) == NULL) {  in opendirfile()
543 	dirp->dd_fd = fd;  in opendirfile()
544 	dirp->dd_loc = 0;  in opendirfile()
545 	return (dirp);  in opendirfile()
685 	rst_seekdir(dirp, itp->t_seekpt, itp->t_seekpt);  in genliteraldir()
686 	dp = dup(dirp->dd_fd);  in genliteraldir()