authors

Linux下ztelnet 的rz、sz源码

Chuck Forsberg: original rz and sz programs (Public domain version)
Matt Porter <[e-mail]>: Modification for versions 0.10 und 0.11
[e-mail]: Modifications for version 0.12a 
Uwe Ohse <[e-mail]>: Modifications for 0.12b und 0.12.1