Data_Make_Struct0 1145 include/ruby/ruby.h     Data_Make_Struct0(data_struct_obj, klass, type, sizeof(type), mark, free, sval); \
Data_Make_Struct0 1382 include/ruby/ruby.h     Data_Make_Struct0(result, klass, void, size, mark_func, free_func, *datap);