| 
	    plgstrm
	  ( | p_strm ); | 
      Gets the number of the current output stream. See also plsstrm.
    
p_strm
	  (PLINT_NC_SCALARReturned value of the current stream value.
      Redacted form: plgstrm(p_strm)
    
This function is used in example 1,20.