down_stairs( true, old_level, DNGN_STONE_STAIRS_DOWN_I );

        down_stairs( old_level, DNGN_STONE_STAIRS_DOWN_I );

void down_stairs(bool remove_stairs, int old_level, int force_stair = 0);

void down_stairs(int old_level, int force_stair = 0);

void down_stairs( bool remove_stairs, int old_level, int force_stair )

void down_stairs( int old_level, int force_stair )

    if (remove_stairs)
        grd[you.x_pos][you.y_pos] = DNGN_FLOOR;

    down_stairs(true, you.your_level, gate_type);  // heh heh

    down_stairs(you.your_level, gate_type);  // heh heh

        down_stairs( false, delay.parm1 );

        down_stairs( delay.parm1 );

    grd[you.x_pos][you.y_pos] = DNGN_STONE_STAIRS_DOWN_I;
    down_stairs(true, old_level);

    down_stairs(old_level, DNGN_STONE_STAIRS_DOWN_I);

            down_stairs(true, you.your_level, DNGN_EXIT_ABYSS);

            down_stairs(you.your_level, DNGN_EXIT_ABYSS);