ht_insert
if (ht_insert(&ipgpc_table_list[IF_IDX], filter_id,
if (ht_insert(&ipgpc_table_list[DIR_IDX], filter_id,
if (ht_insert(&ipgpc_table_list[PROTOID_IDX], filter_id,
if (ht_insert(&ipgpc_table_list[UID_IDX], filter_id, fid->filter.uid)
if (ht_insert(&ipgpc_table_list[PROJID_IDX], filter_id,
extern int ht_insert(table_id_t *, key_t, int);