phyint_create
pi = phyint_create(pi_name, pg, ifindex, flags);
pi = phyint_create(ifname);
pi = phyint_create(ifname);
pi = phyint_create((char *)ifname);
pi = phyint_create((char *)ifname);
pi = phyint_create(phyintname);
extern struct phyint *phyint_create(char *name);