Version: 5.1.2.3
13 OpenGL procedures starting with O
(glObjectPurgeableAPPLE   objectType        name        option)   →   exactinteger? 

objectType : exactinteger? 
name : exactnonnegativeinteger? 
option : exactinteger? 
Part of the GL_APPLE_object_purgeable extension.
May be available from version 1.5.
(glObjectUnpurgeableAPPLE   objectType        name        option)   →   exactinteger? 

objectType : exactinteger? 
name : exactnonnegativeinteger? 
option : exactinteger? 
Part of the GL_APPLE_object_purgeable extension.
May be available from version 1.5.
(glOrtho left right bottom top zNear zFar) → any 
left : real? 
right : real? 
bottom : real? 
top : real? 
zNear : real? 
zFar : real? 