set_defhost
Name
set_defhost -- set default host name [DV]
Synopsis
set_defhost(host)
Parameters
- host
- New default host (string/None). 
Return Type
- string or None
-                 Previous default host specification.
               
Exceptions
- TypeError
-                 Bad argument type, or too many arguments.
               
Description
        set_defhost() sets the default host value
        for new connections. If None is supplied as parameter, environment
        variables will be used in future connections. It returns the 
        previous setting for default host.