---

14 Input/Output

This chapter describes the procedures that are used for input and output (I/O). The chapter first describes ports and how they are manipulated, then describes the I/O operations. Finally, some low-level procedures are described that permit the implementation of custom ports and high-performance I/O.

• Ports
• File Ports
• String Ports
• Bytevector Ports
• Input Procedures
• Output Procedures
• Blocking Mode
• Terminal Mode
• Format
• Custom Output
• Prompting
• Textual Port Primitives
• Parser Buffers
• Parser Language
• XML Support