ipf_pool_exists
ipo = ipf_pool_exists(softp, unit, name);
ipo = ipf_pool_exists(arg, ilp->ili_unit,
ipo = ipf_pool_exists(0, "0");
stats.ipls_list[unit] = ipf_pool_exists(softp, unit - 1,
p = ipf_pool_exists(softp, unit, name);
static void *ipf_pool_exists(ipf_pool_softc_t *, int, char *);
h = ipf_pool_exists(softp, unit, op->iplo_name);