1 /*- 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)erase.c 8.1 (Berkeley) 06/04/93"; 10 #endif /* not lint */ 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