pabs@halcyon:~> cat ./ohreally.c 
#include <stdio.h>

int main(int argc, char *argv[]) {
  int x = 6 //**/ 2 +
      -5;
  printf("%s: x = %d\n", argv[0], x);
  return 0;
}
pabs@halcyon:~> for i in c89 c++; do $i -o ohreally-$i ./ohreally.c; ./ohreally-$i; done
./ohreally-c89: x = -2
./ohreally-c++: x = 1