VirtualStream Library - Version 1.02 Opponent of iostream library - speedy, more convenient, includes ZIP compression, encryption and hashing by several algorithms, automates all routine operations and tracks all errors during the work with any data or files on disk and in memory. Highly optimized for 32 and 64 bits, including optimization for perfomance, speed and memory usage. Very portable(according to ANSI/ISO C++), there are versions for WIN32, WIN16, NIX, OS/2, DOS32, BeOS, and many others.