9 Chapter 9. Porting open system applications to a z/TPF system In this chapter we introduce the open system Internet protocols that the z/TPF system supports; that is, Internet servers and application programming interfaces (APIs) that the z/TPF system provides, to ease the porting of open system applications to the z/TPF system. We also discuss character conversion while porting applications from an open system to a z/TPF system. © Copyright IBM Corp. 2007. All rights reserved. 181