func readField(_ recno: Int, fieldno: Int) -> Bool

Function readField() reads a single field to internal memory block.
After reading you can use functions getString(), getValue(), getDateTime(), getTicks(), getMemoBuf()

{
    // your code
    for row in 0..<dbf.recCount()
    {
        dbf.readField(row, fieldno:field)
        // your code
    }
}