getmaxx() function
getmaxx function returns the maximum X coordinate for current graphics mode and driver.
Declaration of getmaxx() function
int getmaxx();C program for getmaxx
#include<graphics.h>
#include<conio.h>
main()
{
int gd = DETECT, gm, max_x;
char array[100];
initgraph(&gd,&gm,"C:\\ TurboC3\\BGI");
max_x = getmaxx();
sprintf(array, "Maximum X coordinate for current graphics mode and driver =
%d.",max_x);
outtext(array);
getch();
closegraph();
return 0;
}