pub unsafe extern "C" fn scanForQuads(
sconf: StructureConfig,
radius: c_int,
s48: u64,
lowBits: *const u64,
lowBitN: c_int,
salt: u64,
x: c_int,
z: c_int,
w: c_int,
h: c_int,
qplist: *mut Pos,
n: c_int,
) -> c_int