#define degree 90

typedef enum{unvisited,visit}VisitIf;

typedef struct EBox 
{
	VisitIf    mark;
	int    ivex,jvex;
	struct EBox   *ilink,*jlink;
	InfoType   *info;
}EBox;

typedef struct VexBox
{
	VertexType  data;
	EBox   *firstedge;
}VexBox;

typedef  struct 
{
	VexBox  adjmulist[degree];
	int   vexnum,edgenum;
}

void Toposort(adjlist GL,int n);