IP_RECVIF
X(IP_RECVIF) X(IP_RECVTOS) X(IP_FLOWID) X(IP_FLOWTYPE)
*mp = sbcreatecontrol(sdl2, sdl2->sdl_len, IP_RECVIF,
case IP_RECVIF:
case IP_RECVIF:
case IP_RECVIF:
case IP_RECVIF:
test_ip_boolean(sock, socktypename, IP_RECVIF, "IP_RECVIF",