1 /* 2 * Copyright (c) 1980, 1986 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #ifndef lint 8 static char sccsid[] = "@(#)erase.c 6.1 (Berkeley) 08/29/86"; 9 #endif not lint 10 11 12 #include "grnplot.h" 13 14 /*--------------------------------------------------------- 15 * This routine erases the screen. 16 * 17 * Results: None. 18 * Side Effects: A new grn file is begun 19 * but: it is concatentated to the old one. 20 *--------------------------------------------------------- 21 */ 22 erase() 23 { 24 if (ingrnfile) 25 { 26 closepl(); 27 fputs("multiple grn files in output must be separated by hand!\n",stderr); 28 } 29 printf("sungremlinfile\n0.00 0.00\n"); 30 ingrnfile = 1; 31 invector = 0; 32 scale = 1; 33 curx = cury = xbot = ybot = 0; 34 } 35