#ifndef DISPLAYL
#define DISPLAYL

typedef struct Coord_type {
		  int x;
		  int y;
} Coord_type;

typedef struct Graph_type {
		  int netsize;
		  Coord_type node[50];
} Graph_type;

/* global screen location structure for network */

extern Graph_type loc;



/* Graphically shows pushes from node i to node j. */
void display_pushIJ( Graph_type loc, int A, int B, int num );

void display_connectNodes( Graph_type loc, int A, int B );

void display_init( char *filename );

void display_delete( void );

void display_relabel( Graph_type loc, int node, int num );

#endif