nsCRT::memcpy(&toBuf[offset], fromRawSegment, count);
memcpy(&toBuf[offset], fromRawSegment, count);
nsWriteToRawBuffer(nsIInputStream* inStr,                   void* closure,                   const char* fromRawSegment,                   PRUint32 offset,                   PRUint32 count,                   PRUint32 *writeCount){    char* toBuf = (char*)closure;    nsCRT::memcpy(&toBuf[offset], fromRawSegment, count);    *writeCount = count;    return NS_OK;}