What Greg says on this topic is authoritative.

  -- Chris

Sent from my iPad

> On Oct 23, 2013, at 4:35 PM, Maxthon Chan <xcvi...@me.com> wrote:
> 
> There are still situations that you may want a little touch-up so from time 
> to time a manual call to these is still needed.
> 
>> On Oct 24, 2013, at 2:01, Greg Parker <gpar...@apple.com> wrote:
>> 
>>> On Oct 22, 2013, at 7:33 PM, Maxthon Chan <xcvi...@me.com> wrote:
>>> Despite ARC banned retain/release/autorelease functions, there are still 
>>> alternatives there in the form of C functions:
>>> 
>>> From CoreFoundation <CoreFoundation/CoreFoundation.h>:
>>> CFRetain() = retain
>>> CFRelease() = release
>>> CGBridgingRelease() = autorelease
>> 
>> CFBridgingRelease does not autorelease.
>> 
>> 
>>> From LLVM’s requirements to runtime for ARC to work, as prototyped in 
>>> GNUstep’s <objc/objc-arc.h>:
>>> objc_retain() = retain
>>> objc_release() = release
>>> objc_autorelease() = autorelease
>>> 
>>> Prototypes:
>>> id objc_retain(id);
>>> void objc_release(id);
>>> id objc_autorelease(id);
>> 
>> Do not call these functions directly.
>> 
>> 
>> -- 
>> Greg Parker     gpar...@apple.com     Runtime Wrangler
> 
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