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Annotation of 43BSDReno/old/lib2648/escseq.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[] = "@(#)escseq.c   5.1 (Berkeley) 4/30/85";
        !             9: #endif not lint
        !            10: 
        !            11: /*
        !            12:  * escseq: get us out of any escape sequence we are in the middle of
        !            13:  * and put us into the requested kind of escape sequence.
        !            14:  */
        !            15: 
        !            16: #include "2648.h"
        !            17: 
        !            18: escseq(mode)
        !            19: int mode;
        !            20: {
        !            21:        if (mode == _escmode)
        !            22:                return;
        !            23:        /* Get out of previous mode */
        !            24:        switch (_escmode) {
        !            25:        case NONE:
        !            26:                break;
        !            27:        case ESCD:
        !            28:                if (mode == TEXT) {
        !            29:                        outchar('s');
        !            30:                        _escmode = mode;
        !            31:                        return;
        !            32:                }
        !            33:        case ESCP:
        !            34:        case ESCM:
        !            35:                outchar('Z');   /* no-op */
        !            36:                break;
        !            37:        case TEXT:
        !            38:                outstr("\33*dT");
        !            39:                break;
        !            40:        }
        !            41:        /* Get into new mode */
        !            42:        switch (_escmode = mode) {
        !            43:        case NONE:
        !            44:                break;
        !            45:        case ESCD:
        !            46:                outstr("\33*d");
        !            47:                break;
        !            48:        case ESCP:
        !            49:                outstr("\33*p");
        !            50:                break;
        !            51:        case ESCM:
        !            52:                outstr("\33*m");
        !            53:                break;
        !            54:        case TEXT:
        !            55:                outstr("\33*dS");
        !            56:                break;
        !            57:        }
        !            58: }

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