Get current stream number
plgstrm(p_strm)
Gets the number of the current output stream. See also plsstrm(3plplot).
Redacted form: plgstrm(p_strm)
This function is used in example 1,20.
p_strm (PLINT *, output)
Pointer to current stream value.
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PLplot documentation at http://plplot.sourceforge.net/documentation.php.