nsCRT::memcpy(toRawSegment, &fromBuf[offset], count);
memcpy(toRawSegment, &fromBuf[offset], count);
nsReadFromRawBuffer(nsIOutputStream* outStr,                    void* closure,                    char* toRawSegment,                    PRUint32 offset,                    PRUint32 count,                    PRUint32 *readCount){    const char* fromBuf = (const char*)closure;    nsCRT::memcpy(toRawSegment, &fromBuf[offset], count);    *readCount = count;    return NS_OK;}