/in/foo.cc: In function 'void output(int, int)':
/in/foo.cc:8:14: error: 'l' was not declared in this scope
  int w  = 0; l = 0;
              ^
/in/foo.cc:25:1: error: a function-definition is not allowed here before '{' token
 {
 ^
/in/foo.cc:37:1: error: expected '}' at end of input
 }
 ^