/*

????OpenGL?loader?generated?by?glad?0.1.18a0?on?Wed?Feb?28?04:14:42?2018.

????Language/Generator:?C/C++
????Specification:?gl
????APIs:?gl=3.3
????Profile:?core
????Extensions:
????????
????Loader:?True
????Local?files:?False
????Omit?khrplatform:?False

????Commandline:
????????--profile=“core“?--api=“gl=3.3“?--generator=“c“?--spec=“gl“?--extensions=““
????Online:
????????http://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D3.3
*/

#include?
#include?
#include?
#include?

static?void*?get_proc（const?char?*namez）;

#ifdef?_WIN32
#include?
static?HMODULE?libGL;

typedef?void*?（APIENTRYP?PFNWGLGETPROCADDRESSPROC_PRIVATE）（const?char*）;
static?PFNWGLGETPROCADDRESSPROC_PRIVATE?gladGetProcAddressPtr;

static
int?open_gl（void）?{
????libGL?=?LoadLibraryW（L“opengl32.dll“）;
????if（libGL?!=?NULL）?{
????????gladGetProcAddressPtr?=?（PFNWGLGETPROCADDRESSPROC_PRIVATE）GetProcAddress（
????????????????libGL?“wglGetProcAddress“）;
????????return?gladGetProcAddressPtr?!=?NULL;
????}

????return?0;
}

static
void?close_gl（void）?{
????if（libGL?!=?NULL）?{
????????FreeLibrary（（HMODULE）?libGL）;
????libGL?=?NULL;
????}
}
#else
#include?
static?void*?libGL;

#ifndef?__APPLE__
typedef?void*?（APIENTRYP?PFNGLXGETPROCADDRESSPROC_PRIVATE）（const?char*）;
static?PFNGLXGETPROCADDRESSPROC_PRIVATE?gladGetProcAddressPtr;
#endif

static
int?open_gl（void）?{
#ifdef?__APPLE__
????static?const?char?*NAMES[]?=?{
????????“../frameworks/OpenGL.framework/OpenGL“
????????“/Library/frameworks/OpenGL.framework/OpenGL“
????????“/System/Library/frameworks/OpenGL.framework/OpenGL“
????????“/System/Library/frameworks/OpenGL.framework/Versions/Current/OpenGL“
????};
#else
????static?const?char?*NAMES[]?=?{“libGL.so.1“?“libGL.so“};
#endif

????unsigned?int?index?=?0;
????for（index?=?0;?index?????????libGL?=?dlopen（NAMES[index]?RTLD_NOW?|?RTLD_GLOBAL）;

????????if（libGL?!=?NULL）?{
#ifdef?__APPLE__
????????????return?1;
#else
????????????gladGetProcAddressPtr?=?（PFNGLXGETPROCADDRESSPROC_PRIVATE）dlsym（libGL
????????????????“glXGetProcAddressARB“）;
????????????return?gladGetProcAddressPtr?!=?NULL;
#endif
????????}
????}

????return?0;
}

static
void?close_gl（void）?{
????if（libGL?!=?NULL）?{
????????dlclose（libGL）;
????????libGL?=?NULL;
????}
}
#endif

static
void*?get_proc（const?char?*namez）?{
????void*?result?=?NULL;
????if（libGL?==?NULL）?return?NULL;

#ifndef?__APPLE__
????if（gladGetProcAddressPtr?!=?NULL）?{
????????result?=?gladGetProcAddressPtr（namez）;
????}
#endif
????if（result?==?NULL）?{
#ifdef?_WIN32
????????result?=?（void*）GetProcAddress（（HMODULE）?libGL?namez）;
#else
????????result?=?dlsym（libGL?namez）;
#endif
????}

????return?result;
}

int?gladLoadGL（void）?{
????int?status?=?0;

????if（open_gl（））?{
????????status?=?gladLoadGLLoader（&get_proc）;
????????close_gl（）;
????}

????return?status;
}

struct?gladGLversionStruct?GLVersion;

#if?defined（GL_E