cvt_picl2ptree
err = cvt_picl2ptree(in->req_attrval.attr, &ptreeh);
err = cvt_picl2ptree(in->req_attrvalbyname.nodeh, &ptreeh);
err = cvt_picl2ptree(in->req_setattrval.attr, &ptreeh);
err = cvt_picl2ptree(in->req_setattrvalbyname.nodeh, &ptreeh);
err = cvt_picl2ptree(in->req_attrinfo.attr, &ptreeh);
err = cvt_picl2ptree(in->req_firstattr.nodeh, &ptreeh);
err = cvt_picl2ptree(in->req_nextattr.attr, &ptreeh);
err = cvt_picl2ptree(in->req_attrbyname.nodeh, &ptreeh);
err = cvt_picl2ptree(in->req_attrbyrow.attr, &ptreeh);
err = cvt_picl2ptree(in->req_attrbycol.attr, &ptreeh);
err = cvt_picl2ptree(in->req_findnode.nodeh, &ptreeh);
err = cvt_picl2ptree(in->req_fruparent.devh, &ptreeh);
extern int cvt_picl2ptree(picl_hdl_t piclh, picl_hdl_t *ptreeh);