Function wallification

src/mkmaze.c:289–294

}

void
wallification(coordxy x1, coordxy y1, coordxy x2, coordxy y2)
{
    wall_cleanup(x1, y1, x2, y2);
    fix_wall_spines(x1, y1, x2, y2);
}

staticfn boolean
okay(coordxy x, coordxy y, coordxy dir)