#include <stdio.h>
#include <stdlib.h>

// This simple program reads 25 numbers from the file ints.txt and prints them.
// Because the file has only 20 numbers stored in it the results for the 
// last 5 numbers are strange.
//
// To see what is going on the program prints the return value of fscanf.
// fscanf returns EOF when the end of the file is reached. 
// In C EOF is defined as -1.

int main()
{
	FILE* fp;
	
	if( (fp = fopen("ints.txt", "r")) == NULL)
	{
		printf("File not found!\n");
	}
	else
	{
		int i, num;
		
		for(i=1; i<=25; i++)
		{
			int res = fscanf(fp, "%d", &num);  // store the return value of fscanf
			
			printf("%2d [res= %2d]\n", num, res); // print the int and the return value
		}
			
		fclose(fp);
	}
	system("pause");
}