debugnet_ack
struct debugnet_ack *dn_ack;
dn_ack = mtod(m, struct debugnet_ack *);
const struct debugnet_ack *dn_ack;
dn_ack = mtod(m, const struct debugnet_ack *);
if (ulen == sizeof(struct debugnet_ack)) {
if (ulen < sizeof(struct debugnet_ack))
#define netdump_ack debugnet_ack