-#elif IP_RECVIF
- {
- struct sockaddr_dl *sdl;
-
- cmsg->cmsg_type = IP_RECVIF;
- sdl = (struct sockaddr_dl*) (cmsg_data + sizeof(struct cmsghdr));
- sdl->sdl_index = interface;
- }
-#elif IP_RECVINTERFACE
- {
- u_short *i;
-
- cmsg->cmsg_type = IP_RECVINTERFACE;
- i = (u_short *) (cmsg_data + sizeof(struct cmsghdr));
- memcpy(&i, CMSG_DATA (cmsg), sizeof(u_short));
- }
-#endif