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About System API Programming (SC41-5800)
This book provides introductory, conceptual, and
guidance information about how to use OS/400
application programming interfaces (APIs) with
your application programs. It includes examples
and discusses the following:
Benefits of using APIs
When to use APIs versus CL commands
How to locate an API in the
System API Ref-
erence
book, SC41-5801
Which high-level language (HLL) to use for
APIs
Various API environments
Common information across object program
model (OPM) APIs and Integrated Language
Environment (ILE) APIs
Characteristics and use of list APIs
Differences between OPM and ILE APIs
Machine interface (MI) programming
Why you might want to make use of various
OS/400 APIs
Tips for common API programming errors
This book provides introductory and guidance
information only; it does not contain API reference
information. For reference information, see the
System API Reference
book.
For a list of related publications, see the
“Bibliography” on page H-1.
Who Should Use This Book
This book is intended for experienced application
programmers who are developing system-level
and other OS/400 applications.
Prerequisite and Related
Information
For information about other AS/400 publications
(except Advanced 36), see either of the following:
The
Publications Reference
book, SC41-5003,
in the AS/400 Softcopy Library.
The
AS/400 Information Directory
, a unique,
multimedia interface to a searchable database
that contains descriptions of titles available
from IBM or from selected other publishers.
The
AS/400 Information Directory
is shipped
with the OS/400 operating system at no
charge.
Information Available on the
World Wide Web
More AS/400 information is available on the World
Wide Web. You can access this information from
the AS/400 home page, which is at the following
uniform resource locator (URL) address:
http://www.as4.ibm.com
Select the Information Desk, and you will be able
to access a variety of AS/400 information topics
from that page.
Copyright IBM Corp. 1997 xiii