commands - returns some information about actions the user can take
array commands();
This efun is only available if NO_ADD_ACTION is not defined.
Returns an array of an array of 4 items describing the actions that
are available to this_object().  The first item is the command
itself (as passed to add_action()).  The second is the set of
flags (passed to add_action as the third argument, often defaulted
to 0).  The third is the object that defined the action.  The fourth
is the function to be called ("<function>" if it is a function pointer).
See also:
 add_action,
 enable_commands,
 disable_commands