/********************************************************************** * Copyright (c) Digital Equipment Corporation 1984, 1985, 1986. * * All Rights Reserved. * * Reference "/usr/src/COPYRIGHT" for applicable restrictions. * **********************************************************************/ /* * SCCSID: @(#)line.c 3.0 4/22/86 */ extern vti; extern xnow,ynow; line(x0,y0,x1,y1){ struct{char x,c; int x0,y0,x1,y1;} p; p.c = 3; p.x0 = xsc(x0); p.y0 = ysc(y0); p.x1 = xnow = xsc(x1); p.y1 = ynow = ysc(y1); write(vti,&p.c,9); } cont(x0,y0){ line(xnow,ynow,xsc(x0),ysc(y0)); return; }