void FDIOBufferInit(FDIOBuffer *FDB, IOBuffer *IO, int FD, long TotalSendSize);
+void FDIOBufferDelete(FDIOBuffer *FDB);
int FileSendChunked(FDIOBuffer *FDB, const char **Err);
int FileRecvChunked(FDIOBuffer *FDB, const char **Err);
eReadState WriteIOBAlreadyRead(FDIOBuffer *FDB, const char **Error);