gistfile1.txt

int main(void)
{
    char base_digits[16] =
    {'0', '1', '2', '3', '4', '5', '6', '7',
        '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
    
    int convertedNumber;
    int* ptrToConvertedNumber = &convertedNumber;
    long int numberToConvert;
    int base, index = 0;
    
    /* get the number and base */
    printf("Enter number and desired base: ");
    scanf("%ld %i", &numberToConvert, &base);
    
    /* convert to the indicated base */
    while (numberToConvert != 0)
    {
        *(ptrToConvertedNumber + index) = numberToConvert % base;
        numberToConvert = numberToConvert / base;
        ++index;
    }
    
    /* now print the result in reverse order */
    --index;  /* back up to last entry in the array */
    printf("\n\nConverted Number = ");
    for(  ; index>=0; index--) /* go backward through array */
    {
        printf("%c", base_digits[*(ptrToConvertedNumber+index)]);
    }
    printf("\n");
    return 0;
}