/* $Id: backpage.h,v 3.0 1991/09/09 20:18:23 davison Trn $ */ /* This software is Copyright 1991 by Stan Barber. * * Permission is hereby granted to copy, reproduce, redistribute or otherwise * use this software as long as: there is no monetary profit gained * specifically from the use or reproduction of this software, it is not * sold, rented, traded or otherwise marketed, and this copyright notice is * included prominently in any copy made. * * The author make no claims as to the fitness or correctness of this software * for any use whatsoever, and it is provided as is. Any use of this software * is at the user's own risk. */ /* 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 _((void)); ART_POS vrdary _((ART_LINE)); void vwtary _((ART_LINE,ART_POS));