# include "curses.ext" /* * This routine erases everything on the window. * * 1/26/81 (Berkeley) @(#)clrtobot.c 1.1 */ wctobot(win) reg WINDOW *win; { reg int y; reg char *sp, *end, *maxx; reg int startx, minx; startx = win->_curx; for (y = win->_cury; y < win->_maxy; y++) { minx = _NOCHANGE; end = &win->_y[y][win->_maxx]; for (sp = &win->_y[y][startx]; sp < end; sp++) if (*sp != ' ') { maxx = sp; if (minx == _NOCHANGE) minx = sp - win->_y[y]; *sp = ' '; } if (minx != _NOCHANGE) { if (win->_firstch[y] > minx || win->_firstch[y] == _NOCHANGE) win->_firstch[y] = minx; if (win->_lastch[y] < maxx - win->_y[y]) win->_lastch[y] = maxx - win->_y[y]; } startx = 0; } win->_curx = win->_cury = 0; }