pfioc_natlook
#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
int pf_ioctl_natlook(struct pfioc_natlook *);
pf_ioctl_natlook(struct pfioc_natlook *pnl)
struct pfioc_natlook *pnl = (struct pfioc_natlook *)addr;
#define _OUT(_field) offsetof(struct pfioc_natlook, _field)
struct pfioc_natlook attrs = {};
struct pfioc_natlook nl = { 0 };