NFTLMediaHeader
struct NFTLMediaHeader *mh;
mh = (struct NFTLMediaHeader *)buf;
if (memcmp(mh, buf, sizeof(struct NFTLMediaHeader))) {
memcpy(mh, buf, sizeof(struct NFTLMediaHeader));
struct NFTLMediaHeader *mh = &nftl->MediaHdr;
struct NFTLMediaHeader MediaHdr;