#ifndef STDIO_HEADER

#define STDIO_HEADER
#include <stdio.h>

#endif

#ifndef DCEL_HEADER

#define DCEL_HEADER

typedef struct halfEdge halfEdge_t;
typedef struct vertex vertex_t;
typedef struct edge edge_t;
typedef struct face face_t;

vertex_t **readPolygon(vertex_t **vertices, FILE *polygonFile, \
    int *numVertices);
void freeVertices(vertex_t **vertices, int numVertices);
#endif