说明：  This file contains documentation all APIs from Palm, Inc. for Palm OS by ACCESS. It includes the API function definitions for the following product lines: Centro Treo Tungsten Zire LifeDrive The goal of this document is to provide developers with a detailed reference of all functions, parameters, and constant definitions. For more information on developing applications, refer to the document "Palm Developer Guide, Palm OS Platform" available as part of the SDK download and also separately at the PDN website.