Fixes
/home/work/maan/scm/paraslash/send_common.c:260: warning: The following parameters of accept_sender_client(struct sender_status *ss, fd_set *rfds) are not documented:
parameter 'rfds'
* Accept a connection on the socket this server is listening on.
*
* \param ss The sender whose listening fd is ready for reading.
+ * \param rfds Passed to para_accept(),
*
* This must be called only if the socket fd of \a ss is ready for reading. It
* calls para_accept() to accept the connection and performs the following