_switch_getservbyport_r
se = _switch_getservbyport_r(sin6->sin6_port, proto,
struct servent *_switch_getservbyport_r(int, const char *, struct servent *,
se = _switch_getservbyport_r(args->arg.nss.serv.port,
se = _switch_getservbyport_r(sa->sin_port, proto,