Data Structure Viewer is a GUI based tool written in Perl and Perl-Tk. It allows you to convert between a data structure (e.g. IPv4 header) and individual fields in the data structure by simple mouse clicks. It can be configured to support almost any data structure definition. Please check it out at
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Please let me know about any questions or suggestions. Thanks,
Jim Wu snipped-for-privacy@yahoo.com (remove NOOOSPAM)