Function grpcio_sys::grpc_server_register_method

pub unsafe extern "C" fn grpc_server_register_method(
    server: *mut GrpcServer, 
    method: *const c_char, 
    host: *const c_char, 
    paylod_handling: GrpcServerRegisterMethodPayloadHandling, 
    flags: uint32_t
) -> *mut c_void