NAME
       RadioButtonsA -- Make a linked list of radiobuttons
       RadioButtons -- varags stub for RadioButtonsA

   SYNOPSIS
       list = RadioButtonsA( array )
       list = RadioButtons( label, ... )
       struct List *RadioButtonsA( STRPTR * )
       struct List *RadioButtons( STRPTR, ... )

   FUNCTION
       Make a linked list of radiobutton nodes from the NULL terminated
       label array. The labels are not copied, so they must stay
       valid until the list is free'd.

   INPUTS
       array -- a NULL terminated array of string pointers.

   RESULTS
       list -- a linked list of radiobutton nodes