func createTable(_ filename: String) -> Bool

Function createTable() creates a new table. You have to prepare the structure with prepareNewTable and addField.
Another function allows you to create and open the table right away after creation.

func createAndOpenTable(_ filename: String) -> Bool

// if dbf.prepareNewTable(2, memoSize:512, driver:nil)
if dbf.prepareNewTable(0)
    dbf.addField("ID", fieldType:'N', length:10);
    dbf.addField("NAME", fieldType:'C', length:20);
    dbf.addField("BIRTH", fieldType:'D', length:8);
    dbf.addField("WEIGHT", fieldType:'N', length:10, decimal:2);

    // if dbf.createAndOpenTable("testfile.dbf") {
    if dbf.createTable("testfile.dbf") {
    } else {