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