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| int | version | 
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| void(* | vblank_handler )(int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, void *user_data) | 
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| void(* | page_flip_handler )(int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, void *user_data) | 
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| void(* | page_flip_handler2 )(int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, unsigned int crtc_id, void *user_data) | 
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