textheight() function
textheight function returns the height of a string in pixels.
Declaration of textheight() function
int textheight(char *string);C programming sourcecode for textheight()
#include<graphics.h>
#include<conio.h>
main()
{
int gd = DETECT, gm, height;
char array[100];
initgraph(&gd, &gm, "C:\\TC\\BGI");
height = textheight("C programming");
sprintf(array,"Textheight = %d",height);
outtext(array);
getch();
closegraph();
return 0;
}