Facebook graph api in cocos2dx ios+android and windows (if possible) in c++

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C++

I am using cocos2d-x 2.2.x versions I was looking for a facebook graph api in c++ for cocos2d-x games. I searched a lot but couldn't find any sdk for facebook in c++ for cocos2d-x. I don't want to use Ezisocial. Is there a way to do it? I successfully managed to share the string on the timeline of my facebook using the normal facebook.mm and facebook.h classes which you can easily find on the internet

But I don't want to use this. I want to use graph api in which I can do various things like

Invite friends
Maintain a leaderboard
get friends photo and their score
Posting etc

(Note: I dont want to use ezisocial) Is there a way or is there any plugin to do it. Please reply. Any help will be highly appreciated. Thanks