is_cycle_needed
if (is_cycle_needed(clp->nc_logpath, &processed_list,
if (is_cycle_needed(clp->nc_rpclogpath, &processed_list,
(void) is_cycle_needed(NULL, &processed_list, B_TRUE, &error);
static boolean_t is_cycle_needed(char *, void **, boolean_t, int *);