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

int main()
{
    FILE *fPtr;
    int value = 0;
    char filename[] = "datafile";

    if ((fPtr = fopen(filename, "r")) != NULL)
    {
        while(fscanf(fPtr, "%d", &value) != EOF)
        {
            printf("Value retrieved from file: %d\n", value);
        }
        printf("Retrieval COMPLETE!\n");
        fclose(fPtr);
        value = 0;
    }
    else
    {
        printf("ERROR! Problem opening `%s'.\n", filename);
        value = 1;
    }
    return(value);
}