#include <u.h>#include <libc.h>#include "xml.h" Elem *xmlelem(Xml *xp, Elem **root, Elem *parent, char *name){	Elem *ep, *t; 	USED(xp);	if((ep = xmlcalloc(xp, sizeof(Elem), 1)) == nil)		sysfatal("no memory - %r\n");	if(! *root){		*root = ep;	}	else{		for (t = *root; t->next; t = t->next)			continue;		t->next = ep;	}	ep->parent = parent;	if(name)		if((ep->name = xmlstrdup(xp, name, 1)) == nil)			sysfatal("no memory - %r\n");	return ep;}