dump_object
dump_object(os, zopt_object[i], verbosity,
dump_object(os, 0, verbosity, &print_header, NULL);
dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header,
dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header,
dump_object(os, DMU_PROJECTUSED_OBJECT, verbosity,
dump_object(os, object, verbosity, &print_header, &dnode_slots);
dump_object(os, child_obj, dump_opt['v'], &header, NULL);