diff --git a/rtmp/rtmp.go b/rtmp/rtmp.go
index 50562957..4e3a42d1 100644
--- a/rtmp/rtmp.go
+++ b/rtmp/rtmp.go
@@ -263,7 +263,7 @@ type C_RTMP struct {
 
 // typedef struct RTMPPacket
 // rtmp.h +113
-type RTMPPacket struct {
+type C_RTMPPacket struct {
 	m_headerType      uint8
 	m_packetType      uint8
 	m_hasAbsTimestamp uint8
@@ -278,21 +278,21 @@ type RTMPPacket struct {
 
 // typedef struct RTMPMethod
 // rtmp.h +231
-type RTMP_METHOD struct {
+type C_RTMP_METHOD struct {
 	name AVal
 	num  int
 }
 
 // typedef struct AVal
 // amf.h +57
-type AVal struct {
+type C_AVal struct {
 	av_val *byte
 	av_len int
 }
 
 // typedef struct RTMP_READ
 // rtmp.h +200
-type RTMP_READ struct {
+type C_RTMP_READ struct {
 	buf                     *byte
 	bufpos                  *byte
 	buflen                  uint
@@ -312,7 +312,7 @@ type RTMP_READ struct {
 
 // typedef struct RTMP_READ
 // rtmp.h +200
-type RTMPSockBuf struct {
+type C_RTMPSockBuf struct {
 	sb_socket   int
 	sb_size     int
 	sb_start    *byte
@@ -323,7 +323,7 @@ type RTMPSockBuf struct {
 
 // typedef struct RTMPChunk
 // rtmp.h +105
-type RTMPChunk struct {
+type C_RTMPChunk struct {
 	c_headerSize int
 	c_chunkSize  int
 	c_chunk      *byte
@@ -332,7 +332,7 @@ type RTMPChunk struct {
 
 // typedef struct RTMP_LNK
 // rtmp.h +144
-type RTMP_LNK struct {
+type C_RTMP_LNK struct {
 	hostname      AVal
 	sockshost     AVal
 	playpath0     AVal
@@ -362,8 +362,8 @@ type RTMP_LNK struct {
 }
 
 // typedef struct AMF_Object
-// amf.h AMFObject +67
-type AMFObject struct {
+// amf.h +67
+type C_AMFObject struct {
 	o_num   int
 	o_props *C.AMFObjectProperty
 }