Add limitations about encoding conversion
Shortening lines in headers

no change of semantic
Generic portability fix

Undefine common symbol before redefining them
Portability fix

increase internal use of a portability macro
Portability fix

Don't assume fileno for stdin and stdout are 0 and 1
Improve va_list portability

Support for va_list declared as an array (cannot be referenced
explicitly)
Portability fixes for OS/400
Portability patch for fopen on OS/400
Add macros needed for OS/400 portability
Use specific macros for portability to OS/400

Some of the entry points for POSIX networking calls in OS/400
differs slightly due to not using const arguments
Various portability patches for OpenVMS

Available from http://nchrem.tnw.tudelft.nl/openvms/software2.html