602     struct lifconf ifc;  in DefineSelf()  local
610     struct ifconf ifc;  in DefineSelf()  local
639     ifc.lifc_family = AF_UNSPEC;  in DefineSelf()
640     ifc.lifc_flags = 0;  in DefineSelf()
641     ifc.lifc_len = len;  in DefineSelf()
642     ifc.lifc_buf = bufptr;  in DefineSelf()
645 #define IFC_IFC_REQ ifc.lifc_req  in DefineSelf()
646 #define IFC_IFC_LEN ifc.lifc_len  in DefineSelf()
651     ifc.ifc_len = len;  in DefineSelf()
652     ifc.ifc_buf = bufptr;  in DefineSelf()
655 #define IFC_IFC_REQ ifc.ifc_req  in DefineSelf()
656 #define IFC_IFC_LEN ifc.ifc_len  in DefineSelf()
661     if (ifioctl(fd, IFC_IOCTL_REQ, (void *) &ifc) < 0)  in DefineSelf()