diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 1ca37a46..62cfae1d 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -1082,8 +1082,12 @@ func C_SendFCPublish(r *C_RTMP) int32 {
 // int SendFCUnpublish(RTMP *r);
 // rtmp.c +1875
 func C_SendFCUnpublish(r *C_RTMP) int32 {
+	// TODO finish porting
 	/*
-	 */
+		var packet C_RTMPPacket
+		var pbuf [1024]byte
+		var pend []byte =
+	*/
 	return 0
 }