getservbyname_r
sp = getservbyname_r(servname, proto, &sv, svd);
serv = getservbyname_r(servname, srvprotos[i], &sv, &svd);
s = getservbyname_r(name, proto, &_servent_data.serv, &_servent_data);
__weak_alias(getservbyname_r,_getservbyname_r)
struct servent *getservbyname_r(const char *, const char *,