pool_system_t
pool_system_elem(const pool_system_t *ph)
pool_system_t *sys;
extern pool_system_t *pool_conf_system(const pool_conf_t *);
extern pool_system_t *pool_elem_system(const pool_elem_t *);
extern pool_elem_t *pool_system_elem(const pool_system_t *);
pool_system_t *
pool_system_t *
return ((pool_system_t *)pe);
pool_system_t *parent_system;