GPilotS Data Structures

Here are the data structures with brief descriptions:

B108_Wpt_Type	Full size overlay type for D108 format
B109_Wpt_Type	Full size overlay type for D109 format
Custom_Rte_Hdr_Type	Internal route header format of GPilotS
Custom_Wpt_Type	Internal waypoint format of GPilotS
Object	Structure of objects manipulated by GPilotS
PACKED	Internal track header format
PrefType	Preferences structure

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