foo.cpp:1:3: error: 'he' does not name a type
   he--;
   ^
foo.cpp:2:3: error: 'he' does not name a type
   he++;
   ^
foo.cpp:3:9: error: expected constructor, destructor, or type conversion before '(' token
   search(n);
         ^
foo.cpp:4:3: error: 'he' does not name a type
   he--;
   ^
foo.cpp:5:2: error: expected declaration before '}' token
  }
  ^