line function in c

line function is used to draw a line from a point(x1,y1) to point(x2,y2) i.e. (x1,y1) and (x2,y2) are end points of the line.The code given below draws a line.
Declaration :- void line(int x1, int y1, int x2, int y2);

C programming code for line

#include<graphics.h>
#include<conio.h>
 
main()
{
   int gd = DETECT, gm;
 
   initgraph(&gd, &gm, "C:\\TC\\BGI");
 
   line(100, 100, 200, 200);
 
   getch();
   closegraph();
   return 0;
}

Above program draws a line from (100, 100) to (200, 200).
line program.
Output of program: