Get the current library version number
plgver(p_ver)
Get the current library version number. Note: you must have allocated space for this (80 characters is safe).
Redacted form: plgver(p_ver)
This function is used in example 1.
p_ver (char *, output)
Pointer to the current library version number.
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PLplot documentation at http://plplot.sourceforge.net/documentation.php.