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#ifndef _GRAPH_H_
#define _GRAPH_H_
typedef struct {
int n1;
int n2;
} grEdge;
typedef struct {
float x;
float y;
float z;
float colour;
} grNode;
typedef struct {
grNode *nodes;
grEdge *edges;
int numnodes;
int numedges;
} grGraph;
void grFree(grGraph *g);
grGraph* grAlloc(int numnodes, int numedges);
void grGenRandom(grGraph *g);
void graphDrawGL(grGraph *g);
#endif
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