HP-UX SNAplus2 CSV Programmer's Guide

Concepts
Writing Portable Applications
Chapter 1 37
Writing Portable Applications
The following guidelines are provided for writing SNAplus2 applications
so that they will be portable to other environments:
• Include the CSV header file without any path name prefix. Use
include options on the compiler to locate the file (refer to the
appropriate section for your operating system, earlier in this
chapter) This enables the application to be used in an environment
with a different file system.
• Use the symbolic constant names for parameter values and return
codes, not the numeric values shown in the header file; this ensures
that the correct value will be used regardless of the way these values
are stored in memory.
• Include a check for return codes other than those applicable to your
current operating system (for example using a “default” case in a
switch statement), and provide appropriate diagnostics.
• Ensure that any parameters shown as reserved are set to 0.