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Annotation of researchv10no/ncurses/screen/delch.c, revision 1.1

1.1     ! root        1: # include      "curses.ext"
        !             2: /*     @(#) delch.c: 1.1 10/15/83      (1.2    4/7/82) */
        !             3: 
        !             4: /*
        !             5:  *     This routine performs an delete-char on the line, leaving
        !             6:  * (_cury,_curx) unchanged.
        !             7:  *
        !             8:  * @(#)delch.c 1.1 (Berkeley) 4/17/81
        !             9:  */
        !            10: wdelch(win)
        !            11: reg WINDOW     *win; {
        !            12: 
        !            13:        reg chtype      *temp1, *temp2;
        !            14:        reg chtype      *end;
        !            15: 
        !            16:        end = &win->_y[win->_cury][win->_maxx - 1];
        !            17:        temp2 = &win->_y[win->_cury][win->_curx + 1];
        !            18:        temp1 = temp2 - 1;
        !            19:        while (temp1 < end)
        !            20:                *temp1++ = *temp2++;
        !            21:        *temp1 = ' ';
        !            22:        win->_lastch[win->_cury] = win->_maxx - 1;
        !            23:        if (win->_firstch[win->_cury] == _NOCHANGE ||
        !            24:            win->_firstch[win->_cury] > win->_curx)
        !            25:                win->_firstch[win->_cury] = win->_curx;
        !            26:        return OK;
        !            27: }

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