HDC
WGLAPI int GLAPIENTRY wglMakeCurrent(HDC,HGLRC);
WGLAPI int GLAPIENTRY wglSetPixelFormat(HDC, int, const PIXELFORMATDESCRIPTOR *);
WGLAPI int GLAPIENTRY wglSwapBuffers(HDC hdc);
WGLAPI HDC GLAPIENTRY wglGetCurrentDC(void);
WGLAPI HGLRC GLAPIENTRY wglCreateContext(HDC);
WGLAPI HGLRC GLAPIENTRY wglCreateLayerContext(HDC,int);
WGLAPI int GLAPIENTRY wglChoosePixelFormat(HDC, const PIXELFORMATDESCRIPTOR *);
WGLAPI int GLAPIENTRY wglDescribeLayerPlane(HDC, int, int, unsigned int,LPLAYERPLANEDESCRIPTOR);
WGLAPI int GLAPIENTRY wglDescribePixelFormat(HDC,int, unsigned int, LPPIXELFORMATDESCRIPTOR);
WGLAPI int GLAPIENTRY wglGetLayerPaletteEntries(HDC, int, int, int,COLORREF *);
WGLAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc);
WGLAPI int GLAPIENTRY wglMakeCurrent(HDC, HGLRC);
WGLAPI int GLAPIENTRY wglRealizeLayerPalette(HDC, int, int);
WGLAPI int GLAPIENTRY wglSetLayerPaletteEntries(HDC, int, int, int,const COLORREF *);
WGLAPI int GLAPIENTRY wglSwapLayerBuffers(HDC, unsigned int);
WGLAPI int GLAPIENTRY wglUseFontBitmapsA(HDC, unsigned long, unsigned long, unsigned long);
WGLAPI int GLAPIENTRY wglUseFontBitmapsW(HDC, unsigned long, unsigned long, unsigned long);
WGLAPI int GLAPIENTRY wglUseFontOutlinesA(HDC, unsigned long, unsigned long, unsigned long, float,float, int, LPGLYPHMETRICSFLOAT);
WGLAPI int GLAPIENTRY wglUseFontOutlinesW(HDC, unsigned long, unsigned long, unsigned long, float,float, int, LPGLYPHMETRICSFLOAT);
WGLAPI int GLAPIENTRY SwapBuffers(HDC);
WGLAPI int GLAPIENTRY ChoosePixelFormat(HDC,const PIXELFORMATDESCRIPTOR *);
WGLAPI int GLAPIENTRY DescribePixelFormat(HDC,int,unsigned int,LPPIXELFORMATDESCRIPTOR);
WGLAPI int GLAPIENTRY GetPixelFormat(HDC);
WGLAPI int GLAPIENTRY SetPixelFormat(HDC,int,const PIXELFORMATDESCRIPTOR *);
HDC hdc; /* Window's Win32 device context. */
HDC renderDc; /* Win32's device context for rendering. */
HDC hdc;
HDC currentDc = wglGetCurrentDC(); \
HDC currentDc = wglGetCurrentDC(); \
extern HDC XHDC;