Send a reply to this message. The second argument can be @code{reply},
@code{reject} or @code{fail}; the default is @code{reply}. Before
sending a reply, all message arguments whose mode is @code{TT_INOUT} or
Send a reply to this message. The second argument can be @code{reply},
@code{reject} or @code{fail}; the default is @code{reply}. Before
sending a reply, all message arguments whose mode is @code{TT_INOUT} or