pub unsafe extern "C" fn ddsrt_setsockopt(
sock: ddsrt_socket_t,
level: i32,
optname: i32,
optval: *const c_void,
optlen: socklen_t,
) -> dds_return_tpub unsafe extern "C" fn ddsrt_setsockopt(
sock: ddsrt_socket_t,
level: i32,
optname: i32,
optval: *const c_void,
optlen: socklen_t,
) -> dds_return_t