xmlSecPtrDuplicateItemMethod: : the poinetr to list item.
Duplicates item .
Returns pointer to new item copy or NULL if an error occurs.
xmlSecPtrDestroyItemMethod: : the poinetr to list item.
Destroys list item .
xmlSecPtrDebugDumpItemMethod: : the poinetr to list item. : the output FILE.
Prints debug information about to .