rb_struct_size 620 struct.c rb_struct_size(VALUE s); rb_struct_size 625 struct.c return rb_struct_size(s); rb_struct_size 1203 struct.c rb_define_method(rb_cStruct, "size", rb_struct_size, 0); rb_struct_size 1204 struct.c rb_define_method(rb_cStruct, "length", rb_struct_size, 0);