#ifndef LAT2D_DEF
#define LAT2D_DEF

#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <gl.h>
#include <device.h>

extern int     PlusColor;
extern int     MinusColor;
extern int     Nx;
extern int     Ny;
extern int     Winid;

void init_graphics();
void wait_for_key(short key);
void handle_events(void);

void grlat2d_(double *lat, int *pnx, int *pny, double *vpar, int *pnpar);
void grlat2d (double *lat, int nx, int ny, double *vpar, int npar);

#endif