bar.c

#include "ruby.h"

VALUE cBar;

struct stuff_struct {
  int age;
  int data[];
};

static VALUE bar_foo(VALUE self){
  static struct stuff_struct s = {50, {1, 2, 3}};

  //v_array = rb_ary_new4(sizeof(s.data), (VALUE*)s.data);
  printf("Age: %i\n", s.age);
  printf("Data: %i\n", s.data[2]);

  return self;
}

void Init_bar(){
  cBar = rb_define_class("Bar", rb_cObject);
  rb_define_method(cBar, "foo", bar_foo, 0);
}