nsCRT::memcpy(toBuf + aOffset, aFromBuf, aCount);
memcpy(toBuf + aOffset, aFromBuf, aCount);
nsWriteToBuffer(nsIInputStream *aInput,                void *aClosure,                const char *aFromBuf,                PRUint32 aOffset,                PRUint32 aCount,                PRUint32 *aWriteCount){    char *toBuf = NS_REINTERPRET_CAST(char *, aClosure);    nsCRT::memcpy(toBuf + aOffset, aFromBuf, aCount);    *aWriteCount = aCount;    return NS_OK;}