Drawing Lines

#include "graphapp.h"

void main(void)
{
  point a = pt(10,10);
  point b = pt(10,40);
  point c = pt(50,40);

  drawline(a, b);
  drawline(b, c);
  drawline(c, a);
}

• The pt function is used to specify mathematical points.
• The drawline function draws lines between points.
• Source code: lines.c