TollFreeBridged

• NSArray = CFArray
• NSMutableArray = CFMutableArray?
• NSCalendar = CFCalendar?
• NSCharacterSet = CFCharacterSet?
• NSMutableCharacterSet? = CFMutableCharacterSet?
• NSData = CFData?
• NSMutableData = CFMutableData?
• NSDate = CFDate?
• NSDictionary = CFDictionary
• NSMutableDictionary = CFMutableDictionary?
• NSNumber = CFNumber
• NSTimer = CFRunLoopTimer?
• NSSet = CFSet?
• NSMutableSet = CFMutableSet?
• NSString = CFString
• NSMutableString = CFMutableString?
• NSUrL = CFURL
• NSTimeZone? = CFTimeZone?
• NSInputStream? = CFReadStream?
• NSOutputStream? = CFWriteStream?
• Disc Recording
  • DRBurn = DRBurnRef?
  • DRErase = DREraseRef?
  • DRDevice = DRDeviceRef?
  • DRTrack = DRTrackRef?
  • DRFile? = DRFileRef?
  • DRFolder? = DRFolderRef? (starting with 10.3)
• NSAttributedString = CFAttributedString?
• NSMutableAttributedString = CFMutableAttributedString?

The following classes are not toll-free bridged:

• NSBundle and CFBundle?
• NSHost and CFHost
• NSRunLoop and CFRunLoop?
• NSNotificationCenter and CFNotificationCenter?
• NSSocket and CFSocket

See also TollFreeBridging.

If you wonder whether an ObjC class is bridged and can't find docs, send an object of the class the _cfTypeID message. If you get back '1', it isn't bridged. For more detail see HowToCreateTollFreeBridgedClass.