pub unsafe extern "C" fn grpcwrap_channel_create_call( channel: *mut grpc_channel, parent_call: *mut grpc_call, propagation_mask: u32, cq: *mut grpc_completion_queue, method: *const c_char, method_len: usize, host: *const c_char, host_len: usize, deadline: gpr_timespec) -> *mut grpc_call