/* example from book "Listing a Data File" */

#include<stdio.h>
int main()
{
	float x, y;
	FILE *fptr;

	fptr  = fopen("graph.dat", "r");

	if (fptr)
	{
		while ((fscanf(fptr, "%f %f", &x, &y)) != EOF)
			printf("%f     %f\n", x, y);
		fclose (fptr);
	}
	else
		printf("File <graph.dat> not available\n");

	return 0;
}