num               129 dxref.c        				   void **free_p, int *num);
num               599 dxref.c        eval_xpath (char *xpath, xmlNodePtr from, void **free_p, int *num)
num               613 dxref.c            if (num != NULL)
num               614 dxref.c        	*num = xmlXPathNodeSetGetLength (result->nodesetval);