pwlib: pwlib (Portable Windows Library)
pwlib:
pwlib: PWLib is a moderately large C++ class library that originated many 
pwlib: years ago as a method to produce applications that run on both 
pwlib: Microsoft Windows and Unix X-Windows systems. The OpenH323 project 
pwlib: is the primary user of the library, which has lead to an emphasised 
pwlib: focus on its networking, I/O portability, multi-threading and 
pwlib: portability. Mostly, the library is used to create high performance 
pwlib: and highly portable network-centric applications.
pwlib:
pwlib: This version of pwlib is used by Ekiga (http://ekiga.org)