/*
**?The?OpenGL?Extension?Wrangler?Library
**?Copyright?（C）?2002-2008?Milan?Ikits?
**?Copyright?（C）?2002-2008?Marcelo?E.?Magallon?
**?Copyright?（C）?2002?Lev?Povalahev
**?All?rights?reserved.
**?
**?Redistribution?and?use?in?source?and?binary?forms?with?or?without?
**?modification?are?permitted?provided?that?the?following?conditions?are?met:
**?
**?*?Redistributions?of?source?code?must?retain?the?above?copyright?notice?
**???this?list?of?conditions?and?the?following?disclaimer.
**?*?Redistributions?in?binary?form?must?reproduce?the?above?copyright?notice?
**???this?list?of?conditions?and?the?following?disclaimer?in?the?documentation?
**???and/or?other?materials?provided?with?the?distribution.
**?*?The?name?of?the?author?may?be?used?to?endorse?or?promote?products?
**???derived?from?this?software?without?specific?prior?written?permission.
**
**?THIS?SOFTWARE?IS?PROVIDED?BY?THE?COPYRIGHT?HOLDERS?AND?CONTRIBUTORS?“AS?IS“?
**?AND?ANY?EXPRESS?OR?IMPLIED?WARRANTIES?INCLUDING?BUT?NOT?LIMITED?TO?THE?
**?IMPLIED?WARRANTIES?OF?MERCHANTABILITY?AND?FITNESS?FOR?A?PARTICULAR?PURPOSE
**?ARE?DISCLAIMED.?IN?NO?EVENT?SHALL?THE?COPYRIGHT?OWNER?OR?CONTRIBUTORS?BE?
**?LIABLE?FOR?ANY?DIRECT?INDIRECT?INCIDENTAL?SPECIAL?EXEMPLARY?OR?
**?CONSEQUENTIAL?DAMAGES?（INCLUDING?BUT?NOT?LIMITED?TO?PROCUREMENT?OF?
**?SUBSTITUTE?GOODS?OR?SERVICES;?LOSS?OF?USE?DATA?OR?PROFITS;?OR?BUSINESS
**?INTERRUPTION）?HOWEVER?CAUSED?AND?ON?ANY?THEORY?OF?LIABILITY?WHETHER?IN
**?CONTRACT?STRICT?LIABILITY?OR?TORT?（INCLUDING?NEGLIGENCE?OR?OTHERWISE）
**?ARISING?IN?ANY?WAY?OUT?OF?THE?USE?OF?THIS?SOFTWARE?EVEN?IF?ADVISED?OF
**?THE?POSSIBILITY?OF?SUCH?DAMAGE.
*/

#include?
#if?defined（_WIN32）
#??include?
#elif?!defined（__APPLE__）?||?defined（GLEW_APPLE_GLX）
#??include?
#endif

/*
?*?Define?glewGetContext?and?related?helper?macros.
?*/
#ifdef?GLEW_MX
#??define?glewGetContext（）?ctx
#??ifdef?_WIN32
#????define?GLEW_CONTEXT_ARG_DEF_INIT?GLEWContext*?ctx
#????define?GLEW_CONTEXT_ARG_VAR_INIT?ctx
#????define?wglewGetContext（）?ctx
#????define?WGLEW_CONTEXT_ARG_DEF_INIT?WGLEWContext*?ctx
#????define?WGLEW_CONTEXT_ARG_DEF_LIST?WGLEWContext*?ctx
#??else?/*?_WIN32?*/
#????define?GLEW_CONTEXT_ARG_DEF_INIT?void
#????define?GLEW_CONTEXT_ARG_VAR_INIT
#????define?glxewGetContext（）?ctx
#????define?GLXEW_CONTEXT_ARG_DEF_INIT?void
#????define?GLXEW_CONTEXT_ARG_DEF_LIST?GLXEWContext*?ctx
#??endif?/*?_WIN32?*/
#??define?GLEW_CONTEXT_ARG_DEF_LIST?GLEWContext*?ctx
#else?/*?GLEW_MX?*/
#??define?GLEW_CONTEXT_ARG_DEF_INIT?void
#??define?GLEW_CONTEXT_ARG_VAR_INIT
#??define?GLEW_CONTEXT_ARG_DEF_LIST?void
#??define?WGLEW_CONTEXT_ARG_DEF_INIT?void
#??define?WGLEW_CONTEXT_ARG_DEF_LIST?void
#??define?GLXEW_CONTEXT_ARG_DEF_INIT?void
#??define?GLXEW_CONTEXT_ARG_DEF_LIST?void
#endif?/*?GLEW_MX?*/

#if?defined（__APPLE__）
#include?
#include?
#include?<