text: #include "libtest.h"
  
  EXTERN float
  float_add(float a, float b)
  {
    return a + b;
  }
  
  EXTERN float*
  float_inc(float *a, float b)
  {
    static float keeper;
    keeper = *a += b;
    return &keeper;
  }
  
  EXTERN float
  float_sum(float list[10])
  {
    int i;
    float total;
    for(i=0,total=0; i<10; i++)
    {
      total += list[i];
    }
    return total;
  }
  
  EXTERN float
  float_sum2(float *list, size_t size)
  {
    int i;
    float total;
    for(i=0,total=0; i<size; i++)
    {
      total += list[i];
    }
    return total;
  }
  
  EXTERN void
  float_array_inc(float list[10])
  {
    int i;
    for(i=0; i<10; i++)
    {
      list[i]++;
    }
  }
  
  EXTERN float *
  float_static_array(void)
  {
    static float foo[] = { -5.5, 5.5, -10, 10, -15.5, 15.5, 20, -20, 25.5, -25.5 };
    return foo;
  }
  
  typedef float (*closure_t)(float);
  static closure_t my_closure;
  
  EXTERN void
  float_set_closure(closure_t closure)
  {
    my_closure = closure;
  }
  
  EXTERN float
  float_call_closure(float value)
  {
    return my_closure(value);
  }
  