pfioc_trans
struct pfioc_trans trans;
struct pfioc_trans *io = (struct pfioc_trans *)addr;
struct pfioc_trans *io = (struct pfioc_trans *)addr;
struct pfioc_trans *io = (struct pfioc_trans *)addr;
#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
struct pfioc_trans *t = NULL;
if ((t = calloc(1, sizeof(struct pfioc_trans))) == NULL)
static struct pfioc_trans pft;
struct pfioc_trans pft;
static struct pfioc_trans pft;