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Annotation of 43BSD/usr.lib/lib2648/printg.c, revision 1.1.1.1

1.1       root        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) 4/26/85";
                      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: }

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