I have a menu program that runs on an unix system. Clients telnet to the system and login. Immediatly upon logging in, they are brought into the menu program which has it's own level of user authentication.

From this menu program, can I capture what the mac address of the client that telnetted in?

Other Information:
C++ = Visual Age C++ v5.0 for AIX
OS = AIX version 4.3.2
The clients are Symbol PDT6846 hand held scanners.