#include <civlc.cvh>
#include <stdio.h>
int f(int x);
int g(void);

void main(){
  int k = 1;
  
  k = f(4);
  printf("Function prototype test: f(y) = 2 * y, then f(4) = %d.\n", k);
  k = g();
  printf("Function prototype test: g() = 10.\n");
}

int f(int y){
  return 2 * y;
}

int g(){
  return 10;
}
