#include <stdio.h>

void doSomething( int x )
{
    x = 42;
    printf( "The answer to Life, the Universe and Everything is (always): %i!n", x );
}

int main( int argc, char **argv )
{
    int a = 0;
    doSomething( a );
    return -a;
}

void f( int n ) {
      n++;
   }

void g() {
      int n = 0;
      n++;
   }

void doSomething( int& x ) {
    x = 42;
    printf( "The answer to Life, the Universe and Everything is (always): %i!n", x );
}