1 /* 2 * Copyright (c) 1980 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[] = "@(#)printg.c 5.1 (Berkeley) 04/26/85"; 9 #endif not lint 10 11 #include "2648.h" 12 13 printg() 14 { 15 int oldvid = _video; 16 int c, c2; 17 18 if (oldvid==INVERSE) 19 togvid(); 20 sync(); 21 escseq(NONE); 22 outstr("\33&p4d5u0C"); 23 outchar('\21'); /* test handshaking fix */ 24 25 /* 26 * The terminal sometimes sends back S<cr> or F<cr>. 27 * Ignore them. 28 */ 29 fflush(stdout); 30 c = getchar(); 31 if (c=='F' || c=='S') { 32 c2 = getchar(); 33 if (c2 != '\r' && c2 != '\n') 34 ungetc(c2, stdin); 35 } else { 36 ungetc(c, stdin); 37 } 38 39 if (oldvid==INVERSE) 40 togvid(); 41 } 42