849 pub struct grpc_channel {  struct
850     _unused: [u8; 0],
1794         channel: *mut grpc_channel,  in grpc_channel_check_connectivity_state()
1803         channel: *mut grpc_channel,  in grpc_channel_num_external_connectivity_watchers()
1813         channel: *mut grpc_channel,  in grpc_channel_watch_connectivity_state()
1823         channel: *mut grpc_channel,  in grpc_channel_support_connectivity_watcher()
1835         channel: *mut grpc_channel,  in grpc_channel_create_call()
1850         channel: *mut grpc_channel,  in grpc_channel_register_call()
1860         channel: *mut grpc_channel,  in grpc_channel_create_registered_call()
1939         channel: *mut grpc_channel,  in grpc_channel_get_info()
1947     pub fn grpc_channel_reset_connect_backoff(channel: *mut grpc_channel);  in grpc_channel_reset_connect_backoff()
1961     ) -> *mut grpc_channel;  in grpc_insecure_channel_create()
1969     ) -> *mut grpc_channel;  in grpc_lame_client_channel_create()
1973     pub fn grpc_channel_destroy(channel: *mut grpc_channel);  in grpc_channel_destroy()
2260     ) -> *mut grpc_channel;  in grpc_cronet_secure_channel_create()
2270     ) -> *mut grpc_channel;  in grpc_insecure_channel_create_from_fd()
2910     ) -> *mut grpc_channel;  in grpc_secure_channel_create()
3870         channel: *mut grpc_channel,  in grpcwrap_channel_create_call()