mac_open
err = mac_open(dlp->dl_name, &dlp->dl_mh);
if ((err = mac_open(ddp->dd_mac, &mh)) != 0)
if ((err = mac_open(ddp->dd_mac, &mh)) != 0)
if ((err = mac_open(name, &mh)) != 0)
err = mac_open(dls_devnet_mac(dlh), mhp);
if ((err = mac_open(mac, &mh)) != 0)
if ((err = mac_open(softmac->smac_devname, &mh)) != 0)
extern int mac_open(const char *, mac_handle_t *);