rb_struct_init_copy 1401 internal.h     VALUE rb_struct_init_copy(VALUE copy, VALUE s);
rb_struct_init_copy  114 range.c            rb_struct_init_copy(range, orig);
rb_struct_init_copy 1192 struct.c           rb_define_method(rb_cStruct, "initialize_copy", rb_struct_init_copy, 1);