test174
immutable 
@TargetOs.linux 
 auto test174 = 
q{--- test174
	// 2 Extern attributes
	@extern(syscall, 60)
	void exit();
	// var attributes
	@extern(syscall, 42)
	u8 var;
	// struct attribute
	@extern(syscall, 1)
	struct A {
		// member var attribute
		@extern(syscall, 2)
		u8 var;
		// member func attribute
		@extern(syscall, 3)
		void foo();
	}
};
 
		tests passing 
		functionsvariables