About The APPC Guide

The Microsoft SNA Server APPC Programmer's Guide provides the information required to develop C-language applications that use Advanced Program-to-Program Communications (APPC) to exchange data in a Systems Network Architecture (SNA) environment.

To use this guide effectively, you should be familiar with:

SNA concepts.
Microsoft® SNA Server.
Microsoft® C version 5.1 or later.
One of the following operating environments:
Microsoft® Windows NT®

Microsoft® Windows® 95

Microsoft Windows version 3.0 or later

Microsoft® MS-DOS® version 3.2 or later

IBM Extended Services for OS/2 version 1.0

This guide covers the following topics:

Introduction to APPC: Introduces the fundamental concepts of APPC.
Transaction Programs: Provides background information for writing transaction programs (TPs).
APPC Management Verbs: Describes each management verb.
APPC TP Verbs: Describes each TP verb.
APPC Conversation Verbs: Describes each conversation verb.
APPC Extensions for the Windows Environment: Describes the application programming interface (API) extensions to Windows APPC that allow asynchronous communication.
SNA Server Enhancements to the Windows Environment: Describes the API extensions to Windows APPC and the Common Service Verb (CSV) API.
Common Service Verbs: Lists and describes the common service verbs in alphabetic order and explains how to use them in C programs.
CSV Extensions for the Windows Environment: Describes the API extensions to Windows CSV.
Common APPC Return Codes: Lists all APPC return codes in hexadecimal order.
Common CSV Return Codes: Lists all CSV return codes in hexadecimal order.
Sample APPC TPs in the SDK: Describes the APPC TP samples in the SNA Server SDK.