Traversal function for the "child" direction The child axis
          contains the children of the context node in document order.

def xpathNextChild(self, ctxt):
        """Traversal function for the "child" direction The child axis
          contains the children of the context node in document order. """
        if ctxt is None: ctxt__o = None
        else: ctxt__o = ctxt._o
        ret = libxml2mod.xmlXPathNextChild(ctxt__o, self._o)
        if ret is None:raise xpathError('xmlXPathNextChild() failed')
        __tmp = xmlNode(_obj=ret)
        return __tmp