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       CLOG_cput -  move a log record from one of the input buffers to the output


       void CLOG_cput( ptr )
       double **ptr;
       This  function  moves  records  from one of the three buffers being merged into the output
       buffer.  When the output buffer is filled, it is sent to the parent.   A  separate  output
       routine  handles  output  on the root.  If the input buffer is emptied (endblock record is
       read) and corresponds to a child, a new buffer is received from the child.  When an endlog
       record  is  read on the input buffer, the number of sources is decremented and the time is
       set to positive infinity so that the empty input source will never have the lowest time.

       At entry we assume that *p is pointing to a log record that is not an end-of-block record,
       and  that  outbuf  is  pointing to a buffer that has room in it for the record.  We ensure
       that these conditions are met on exit as well, by sending (or writing, if we are the root)
       and receiving blocks as necessary.

       Input parameters

       pointer to the record to be moved into the output buffer



                                            11/5/2003                                CLOG_cput(4)