rem: unsigned char *dataBytes = (unsigned char *)aData->bytes;
context: WMResetDataBytesInRange(WMData *aData, WMRange aRange) /*FOLD00*/{    unsigned char *dataBytes = (unsigned char *)aData->bytes;    wassertr(aRange.position < aData->length);    wassertr(aRange.count <= aData->length-aRange.position);    memset(dataBytes + aRange.position, 0, aRange.count);}