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ToolTalk User's Guide
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Document Information

Preface

1.  Introducing the ToolTalk Service

2.  An Overview of the ToolTalk Service

3.  Message Patterns

4.  Setting Up and Maintaining the ToolTalk Processes

5.  Maintaining Application Information

6.  Maintaining Files and Objects Referenced in ToolTalk Messages

7.  Participating in ToolTalk Sessions

8.  Sending Messages

9.  Dynamic Message Patterns

10.  Static Message Patterns

11.  Receiving Messages

12.  Objects

13.  Managing Information Storage

14.  Handling Errors

Retrieving ToolTalk Error Status

Checking ToolTalk Error Status

Returned Value Status

Functions with Natural Return Values

Functions with No Natural Return Values

Returned Pointer Status

Returned Integer Status

Broken Connections

Error Propagation

A.  Migrating from the Classing Engine to the ToolTalk Types Database

B.  A Simple Demonstration of How the ToolTalk Service Works

C.  The ToolTalk Standard Message Sets

D.  Frequently Asked Questions

Glossary

Index

Checking ToolTalk Error Status

You can use the ToolTalk error macro shown in to check error values.

Table 14-2 ToolTalk Error Macros

Return Type
ToolTalk Macro
Expands to
Tt_status
tt_is_err(status_code)
(TT_WRN_LAST < (status_code))