if_msghdr 393 net/if.h struct if_msghdr { if_msghdr 540 net/rtsock.c len = sizeof(struct if_msghdr); if_msghdr 598 net/rtsock.c len = sizeof(struct if_msghdr); if_msghdr 689 net/rtsock.c struct if_msghdr *ifm; if_msghdr 699 net/rtsock.c ifm = mtod(m, struct if_msghdr *); if_msghdr 877 net/rtsock.c struct if_msghdr *ifm; if_msghdr 879 net/rtsock.c ifm = (struct if_msghdr *)w->w_tmem;