yp_order
__weak_alias(yp_order,_yp_order);
int yp_order (const char *, const char *, int *);
r = yp_order(state->domain, "master.passwd.byname", &order);
r = yp_order(state->domain, "passwd.adjunct.byname",
__weak_alias(yp_order,_yp_order)
yp_order(const char *indomain, const char *inmap, int *outorder)
r = yp_order(domainname, inmap, &order);
Status = yp_order(Domain, Map, &Order);