define

[jorz]

Hi all,

can anyone tell me what the following means

#if !defined ( _SOME_HPP_ )
#define _SOME_HPP_

my source

#endif

what does _SOME_HPP_ mean and how does it connect to something.

many thanks!!!

[Nexius]

http://en.wikipedia.org/wiki/Include_guard

[HiteshVaghani1]

http://msdn.microsoft.com/en-us/library/windows/desktop/aa381067(v=vs.85).aspx

[Akshit]

Its macro I suppose