gboolean vortex_channel_finalize_ans_rpy VortexChannel channel,
gint  msg_no_rpy

Allows to finalize the series of ANS reply already sent with a NUL reply.

Inside the one-to-many exchange, it is defined that several ANS reply messages are ended by a NUL reply. This function allows you to sent that one NUL ending reply.

channel The channel where previous ANS reply message was sent.
msg_no_rpy The message we where replying to and the one to be notified that one-to-many reply have ended.
TRUE if the message was sent properly.