  sys$getchn? 
 The Question is:
 
 
What does the system service sys$getchn() do ?
There neither no online help on $getchn nor is
it described in the System Services Manual.
 
Thanks,
Raj Mohan
 
 The Answer is:
 
  sys$getchn is an obsolete system service, and is one of the predecessors
  to the sys$getdvi system service.
