Examples — Subsystem interface routines

This appendix has the following coding examples for the TSYS sample subsystem.

• Example 1 — Subsystem initialization routine (TSYSINIT)
• Example 2 — Subsystem function routine (WRITEIT)
• Example 3 — Subsystem function routine (DELETEIT)
• Example 4 — Subsystem function routine (LISTEN)
• Example 5 — Subsystem requesting routine (TSYSCALL)
• Example 6 — Subsystem event routine (EVENT)