On Unix, returns the name of the "pango" subdirectory of LIBDIR
(which is set at compile time). On Windows, returns the lib\pango
subdirectory of the Pango installation directory (which is deduced
at run time from the DLL's location).
Return: the Pango lib directory. The returned string should
not be freed.
On Unix, returns the name of the "pango" subdirectory of LIBDIR (which is set at compile time). On Windows, returns the lib\pango subdirectory of the Pango installation directory (which is deduced at run time from the DLL's location).
Return: the Pango lib directory. The returned string should not be freed.