void *StrBufNewStreamContext(eStreamType type);
void StrBufDestroyStreamContext(eStreamType type, void **Stream);
-void StrBufStreamTranscode(eStreamType type, IOBuffer *Target, IOBuffer *In, const char* pIn, long pInLen, void *Stream, int LastChunk);
+int StrBufStreamTranscode(eStreamType type, IOBuffer *Target, IOBuffer *In, const char* pIn, long pInLen, void *Stream, int LastChunk);
int StrBufDecodeBase64(StrBuf *Buf);
int StrBufDecodeBase64To(const StrBuf *BufIn, StrBuf *BufOut);