Status PEXGetNameSet( Display *display, PEXNameSet nameset, unsigned long *count_return, PEXName **names_return )
Zero if unsuccessful; non-zero otherwise.
Invoke PEXGetNameSet to get the names in the specified name set.
PEXlib allocates memory for the return value. Invoke XFree to deallocate the memory.
For an overview, see Name Set.