/* File: func2.c
   A function with reference parameters.
*/

int add50(int *n) {
   int m ;
      
   m = *n + 50 ;
   *n = *n + 1 ;
   return m ;
}

main() {
   int a, b ;

   b = 45 ;
   a = add50(&b) ;

   printf ("a = %d, b = %d\n", a, b) ;
}