iSeries Access for Windows C/C++ APIs overview

See the following topics for iSeries™ Access for Windows^® C/C++ APIs overview information.

• API groups, header files, import libraries, and DLLs
  Access interface definition files for all iSeries Access for Windows C/C++ API groups in the iSeries Access for Windows Programmer's Toolkit.
• Programmer's Toolkit
  Find header files and complete information to develop applications using iSeries Access for Windows.
• iSeries system name formats for connection APIs
  APIs that take an iSeries system name as a parameter accept names in the following formats.
• OEM, ANSI, and Unicode considerations
  Most of the iSeries Access for Windows C/C++ APIs that accept string parameters exist in three forms: OEM, ANSI, or Unicode.
• Obsolete iSeries Access for Windows APIs
  Some of the APIs that were provided by Client Access have been replaced with new APIs. While these older, obsolete APIs are still supported, it is recommended that you use the newer iSeries Access for Windows APIs.
• Return codes and error messages
  The iSeries Access for Windows C/C++ application programming interfaces (APIs) support the return of an integer return code on most functions. The return codes indicate how the function completed.