text: #ifndef WITH_H
  #define WITH_H
  
  #define WITH(enter, exit) for(int _ = ((enter), 0); _ < 1; (exit), ++_)
  #define WITH_ENTER(enter) for(int _ = ((enter), 0); _ < 1; ++_)
  #define WITH_EXIT(exit) for(int _ = 0; _ < 1; (exit), ++_)
  
  #endif /* WITH_H */
  