text: #ifndef RESISTOR_COLOR_H
  #define RESISTOR_COLOR_H
  
  typedef enum 
      { BLACK
      , BROWN
      , RED
      , ORANGE
      , YELLOW
      , GREEN
      , BLUE
      , VIOLET
      , GREY
      , WHITE
      } resistor_band_t;
  
  int color_code(resistor_band_t);
  const resistor_band_t *colors(void);
  
  #endif
  