include\grdriver.h
Line 30: extern const GrFrameDriver
Line 72: *const _GrFrameDriverTable[];
Line 75: extern const GrVideoDriver
Line 106: *const _GrVideoDriverTable[];
Line 175: const GrVideoMode * _gr_selectmode(const GrVideoDriver *drv,int w,int h,int bpp,

include\grx20.h
Line 228:	const struct _GR_videoMode    *modes;     /* table of supported modes */
Line 233:	GrVideoMode * (*selectmode)(const GrVideoDriver *drv,int w,int h,int bpp,
Line 314:	const struct _GR_videoDriver  *vdriver;   /* the current video driver */
Line 433:	const struct _GR_frameDriver *gf_driver;  /* frame access functions */

src\fdrivers\dotab8.c
Line 13: const unsigned int _GrFDdotable8[] = { 0xffffU, 0, 0, 0xffU };

src\fdrivers\ftable.c
Line 13: const GrFrameDriver *const _GrFrameDriverTable[] = {

src\fdrivers\ram8.c
Line 16: const GrFrameDriver _GrFrameDriverRAM8 = {
Line 53: const GrFrameDriver _GrFrameDriverSVGA8_LFB = {

... and the same for the rest of the drivers (structures of type GrFrameDriver)

src\include\docolor.h
Line 10: extern const unsigned int _GrFDdotable8[];

src\include\libgrx.h
Line 301: const GrFrameDriver *_GrFindFrameDriver(GrFrameMode mode);
Line 302: const GrFrameDriver *_GrFindRAMframeDriver(GrFrameMode mode);

src\include\shapes.h
Line 30: extern const GrFiller _GrSolidFiller;
Line 31: extern const GrFiller _GrPatternFiller;
Line 37-41: 
	void _GrDrawPolygon(int n,int pt[][2],const GrFiller *f,GrFillArg c,int doClose);
	void _GrDrawCustomPolygon(int n,int pt[][2],GrLineOption *lp,const GrFiller *f,GrFillArg c,int doClose,int circle);
	void _GrScanConvexPoly(int n,int pt[][2],const GrFiller *f,GrFillArg c);
	void _GrScanPolygon(int n,int pt[][2],const GrFiller *f,GrFillArg c);
	void _GrScanEllipse(int xc,int yc,int xa,int ya,const GrFiller *f,GrFillArg c,int filled);

Line 49: void _GrFloodFill(int x,int y,GrColor border,const GrFiller *f,GrFillArg fa);

src\setup\context.c
Line 21: 	const GrFrameDriver *fd = _GrFindRAMframeDriver(md);

src\setup\fframe.c
Line 11: const GrFrameDriver *_GrFindFrameDriver(GrFrameMode mode)
Line 21: const GrFrameDriver *_GrFindRAMframeDriver(GrFrameMode mode)
Line 23: 	const GrFrameDriver *dp = _GrFindFrameDriver(mode);

src\setup\fgeom.c
Line 13: 	const GrFrameDriver *dp = _GrFindRAMframeDriver(md);
Line 19:	const GrFrameDriver *dp = _GrFindRAMframeDriver(md);

src\setup\setdrv.c
Line 28: 	const GrVideoDriver *drv = NULL;
Line 88: 	    const GrVideoDriver *dp;

src\setup\setmode.c
Line 19: const GrVideoMode * _gr_selectmode(const GrVideoDriver *drv,int w,int h,int bpp,
Line 25:	const GrVideoMode *best,*mp;

src\shape\drawpoly.c
Line 13:void _GrDrawPolygon(int n,int pt[][2],const GrFiller *f,GrFillArg c,int doClose)

src\shape\flood.c
Line 185:void _GrFloodFill(int x,int y,GrColor border,const GrFiller *f,GrFillArg fa) {

src\shape\genellip.c
Line 18: const static int sintab[PQUART + 1] = {

src\shape\scancnvx.c
Line 28:void _GrScanConvexPoly(int n,int pt[][2],const GrFiller *f,GrFillArg c)

src\shape\scanellp.c
Line 16:void _GrScanEllipse(int xc,int yc,int xa,int ya,const GrFiller *f,GrFillArg c,int filled)

src\shape\scanpoly.c
Line 78:void _GrScanPolygon(int n,int pt[][2],const GrFiller *f,GrFillArg c)

src\shape\solidfill.c
Line 28:const GrFiller _GrSolidFiller = {

src\vdrivers\vd_mem.c
Line 155:static const GrVideoMode * mem_selectmode ( const GrVideoDriver * drv, int w, int h,
Line 229:const GrVideoDriver _GrDriverMEM = {

src\vdrivers\vtable.c
Line 11:const GrVideoDriver *const _GrVideoDriverTable[] = {

src\wideline\drwcpoly.c
Line 175:    const GrFiller *f;                /* the filler functions */
Line 334:     const GrFiller *f,GrFillArg c,

src\fonts\pc6x8.c
Line 9:static const unsigned char far GrFont_PC6x8_bits[] = {
Line 524:const struct {

... and the same for the rest of fonts