int buffer[BUFFER_SIZE]

/* define buffer maximum value here
 * 
 */
int MAX_INDEX = BUFFER_SIZE - 1;
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int current_index = 0; /* this always points to the next element to be written */
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/* Each time you push a new value into the
 * array, write the new value at buffer[current_index]
 * then increment increment current_index to get ready
 * for the next write. If current_index becomes greater than
 * MAX_INDEX, then set current_index = 0
 */

    int i;
    for (i = 0; i < n; i++) {
        /* statements here that will be executed n times */
    }

    int i;
    double x[10];
    int n = 10;
    double sum;
    double average;
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/* do whatever you have to do to get values into the array x */

    sum = 0; /* start with the total equal to zero */
    for (i = 0; i < n; i++) {
        sum += x[i];
    }
    average = sum / n;

    int ivalue;
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    if (fscanf(infile, "%d", &ivalue) == 1) {
        printf("value read for ivalue = %d\n", ivalue);
    }
    else {
        printf("Can't read ivalue\n");
        return 0;
    }

#define BUFFER_SIZE 10
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    int iarray[BUFFER_SIZE];
    int i;
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    i = 0;
    while (fscanf(infile, "%d", &iarray[i]) == 1) {
        printf("value read for iarray[%d] = %d\n", i, iarray[i]);
    /* do whatever you want to do with the contents of iarray */
        if (++i >= BUFFER_SIZE) {
            i = 0;
        }
    }