When should I use nil and NULL in Objective-C?

When should I use nil and NULL in Objective-C?

objective-c null nsnull

objective-c

In Objective-C why should I check if self = [super init] is not nil?

objective-c null init

objective-c

NULL vs nil in Objective-C

objective-c cocoa null

objective-c

How to create variable argument methods in Objective-C

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objective-c

How to detect if NSString is null?

objective-c null nsnull

objective-c

how to add nil to nsmutablearray?

iphone objective-c nsmutablearray null

objective-c

What's the difference between [NSNull null] and nil?

objective-c cocoa-touch cocoa null nsnull

objective-c

Release, Dealloc, and the Self reference

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objective-c

How to include null value in the JSON via NSJSONSerialization?

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objective-c

Objective-C Difference between setting nil and releasing

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objective-c

Objective-C: Why check nil before respondsToSelector:?

objective-c null nsobject respondstoselector

objective-c

Objective-C: What's the difference between NULL, nil and @""?

objective-c null

objective-c

NSInvalidArgumentException', reas-[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[4]'

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objective-c

Check if a BOOL is set (can't be done with ==nil)

iphone objective-c null

objective-c

Is It Necessary to Set Pointers to nil in Objective-C After release?

objective-c null

objective-c