Here is a list of all struct and union fields with links to the structures/unions they belong to:

• center : Circle
• data : ListCircular , ListDouble , ListNode
• heap : PQueue
• left : BinaryNode
• next : ListCircular , ListDouble , ListNode
• prev : ListDouble
• radius : Circle
• right : BinaryNode
• size : PQueue
• value : BinaryNode
• x : Point
• y : Point