direction.h

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#ifndef DIRECTION_H
#define DIRECTION_H
 
#include <assert.h>
#include <stdio.h>
 
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
 
#define NUM_DIRECTIONS 4
 
  typedef enum Directions {
    NORTH,
    EAST,
    SOUTH,
    WEST,
  } Direction;
 
  extern const Direction CARDINAL[NUM_DIRECTIONS];
 
  void directionToDelta(Direction direction, int* dx, int* dy);
 
#ifdef __cplusplus
}
#endif // __cplusplus
 
#endif // !DIRECTION_H