gistfile1.m

  /**
   * Assume that first name is the first instance of characters before the first 
   * " ". Everything else will be considered the last name.
   */
  NSArray *nameSplitArray               = [self.employee.name componentsSeparatedByString:@" "];
  NSMutableArray *nameSplitMutableArray = [nameSplitArray mutableCopy];

  [nameSplitMutableArray removeObjectAtIndex:0];
  
  // set the first and last name properties
  ABRecordSetValue(person, kABPersonFirstNameProperty, (CFStringRef)[nameSplitArray objectAtIndex:0], &error);
  ABRecordSetValue(person, kABPersonLastNameProperty, (CFStringRef)[nameSplitMutableArray componentsJoinedByString:@","], &error);

  [nameSplitMutableArray release];