/* $Header: /var/lib/cvsd/repos/CSRG/43BSD/contrib/rn/backpage.h,v 1.1.1.1 2018/04/24 16:12:54 root Exp $
 *
 * $Log: backpage.h,v $
 * Revision 1.1.1.1  2018/04/24 16:12:54  root
 * BSD 4.3
 *
 * Revision 4.3  85/05/01  11:36:11  lwall
 * Baseline for release with 4.3bsd.
 * 
 */

/* things for doing the 'back page' command */

EXT int varyfd INIT(0);			/* virtual array file for storing  */
					/* file offsets */
EXT ART_POS varybuf[VARYSIZE];		/* current window onto virtual array */

EXT long oldoffset INIT(-1);		/* offset to block currently in window */

void	backpage_init();
ART_POS	vrdary();
void	vwtary();