Function cls

src/display.c:2188–2202

}

void
cls(void)
{
    static boolean in_cls = 0;

    if (in_cls)
        return;
    in_cls = TRUE;
    display_nhwindow(WIN_MESSAGE, FALSE); /* flush messages */
    disp.botlx = TRUE;                 /* force update of botl window */
    clear_nhwindow(WIN_MAP);              /* clear physical screen */

    clear_glyph_buffer(); /* force gbuf[][].glyph to unexplored */
    in_cls = FALSE;
}

/*
 * Synch the third screen with the display.