Introduction - If you have any usage issues, please Google them yourself
		 
Query OpenGL function manual, which includes all gl, glu function [I use when found to have a few less commonly used functions to include it did not]. As glut function, it has no input, this is regrettable. But you can download " OpenGL analytic function and an example of the manual,"  which inside contains gl, glu, glut of all function. Recommend