Objective-C preprocessor directive for 'if not'

Objective-C preprocessor directive for 'if not'

ios objective-c iphone c-preprocessor preprocessor-directive

objective-c

How to write if condition in #ifdef. for Staging. in objective-c

objective-c preprocessor-directive

objective-c

Invalid preprocessing directive for #elseifdef in Xcode

objective-c xcode c-preprocessor preprocessor-directive

objective-c

Unterminated conditional directive in Xcode

objective-c xcode preprocessor-directive

objective-c