iPhone GLU(OpenGL Utility Library) This link says iPhoneGLU says, this libraray supports below futures.

Matrix manipulation
Polygon tessellation

I would like to know whether I can use this library to draw primitives(lines,points,triangles,simple polygon).

Thank you.
I personally like glad. The have an online generator as well http://glad.dav1d.de

It will generate exactly what you need for your platform.