4 The Effects of 64-bit on X

So far, the discussion has been limited to the generic porting issues for moving code from 32-bit to 64-bit systems. All these generic issues apply to X programs, but there are additional points specific to how the X Window System operates on a 64-bit workstation that you should be aware of.

• 4.1 The X11 Protocol Remains
• 4.2 The 64-bit Xlib Interface
• 4.3 X API Types That Change Size
• 4.4 Pitfalls of 32-bit Window Properties
• 4.5 Careful with X Images
• 4.6 Xt Argument Lists
• 4.7 Extension Writers Beware