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#ifndef TRAFFIC_LIGHTS_H
#define TRAFFIC_LIGHTS_H
void init(unsigned char *lights);
void turn_on(unsigned char *lights, unsigned char light_num);
void turn_off(unsigned char *lights, unsigned char light_num);
void next_step(unsigned char *lights);
void reverse(unsigned char *lights);
void swap(unsigned char *lights_1, unsigned char *lights_2);
#endif /* !TRAFFIC_LIGHTS_H */
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