Top: Header files
<pport.h> - common declarations, portable typedefs
<ptypes.h> - basic types: string, cset, unknown, component, exceptobj, objlist, strlist, strmap, variant
<pstreams.h> - streams: iobase, instm, outstm, inmemory, outmemory, infile, outfile, logfile, namedpipe, npserver, outmd5, unit
<pinet.h> - networking: ipaddress, ipstream, ipstmserver, ipmessage, ipmsgserver, resolver functions
<ptime.h> - date/time utilities
<pasync.h> - multithreading: mutex, scopelock, trigger, rwlock, scoperead, scopewrite, semaphore, tsemaphore, thread, message, msgqueue