ent2str
if ((str = ent2str(pent)) == NULL) {
if ((new_str = ent2str(pent)) == NULL) {
extern char *ent2str(entry_t *);
extern int ent2str(struct hostent *, nss_XbyY_args_t *, int);
ret = ent2str(he, a, AF_INET);
ret = ent2str(he, a, argp->key.hostaddr.type);
ret = ent2str(he, a, AF_INET6);