- (BOOL) isDeleted: (NSInteger) fieldno;

Function isDeleted(recno) returns TRUE a record #recno is marked as deleted.
Function isDeleted() or isCurrentDeleted() returns TRUE if the last read record is marked as deleted.

{
    // your code
    [dbf readRecord:0];
    if ([dbf isDeleted])
        NSLog( @"Record 0 is marked as deleted" );
        
    if ([dbf isDeleted:10])
        NSLog( @"Record 10 is marked as deleted" );
    // your code
}