pub unsafe extern "C" fn GEOSRelateBoundaryNodeRule(
g1: *const GEOSGeometry,
g2: *const GEOSGeometry,
bnr: c_int,
) -> *mut c_charpub unsafe extern "C" fn GEOSRelateBoundaryNodeRule(
g1: *const GEOSGeometry,
g2: *const GEOSGeometry,
bnr: c_int,
) -> *mut c_char