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system statement		statement

Syntax
system ExistingType nameOfConstVarOrMacro [, nameOfConstVarOrMacro2...]

Description
The system statement is used, mainly in Headers files, to declare macros and extern constants in Cocoa or other frameworks.

Example

Taken from headers:
system CFDictionaryKeyCallBacks kCFTypeDictionaryKeyCallBacks
system CFBooleanRef kCFBooleanTrue
system CFBooleanRef kCFBooleanFalse

General:
system double INFINITY
print INFINITY
stop