authunix_create
extern AUTH *authunix_create(char *, uid_t, gid_t, int, gid_t *);
authunix_create(my_hostname, 0, 1, 1, &fake_gids);
authunix_create(my_hostname, 0, 1, 1, &fake_gids);
authunix_create(my_hostname, 0, 1, 1, &fake_gids);
xmit_auth = authunix_create(hostname, 0, 1, 1, &fake_gids);