690 	register Namval_t	*np=0, *nq=0;  in nv_create()  local
759 						nq = np;  in nv_create()
796 					if(nq==np)  in nv_create()
801 					else if(nq)  in nv_create()
803 						if(nv_isnull(np) && c!='.' && (np->nvfun=nv_cover(nq)))  in nv_create()
804 							np->nvname = nq->nvname;  in nv_create()
844 				if(np==nq)  in nv_create()
877 					if(!nq && *sp=='[' && *cp==0 && cp[-1]==']')   in nv_create()
980 						if(!(nq = nv_opensub(np)))  in nv_create()
993 							if(ap && ap->table && (nq=nv_search(sub,ap->table,n)))  in nv_create()
994 								nq->nvenv = (char*)np;  in nv_create()
995 							if(nq && nv_isnull(nq))  in nv_create()
996 								nq = nv_arraychild(np,nq,c);  in nv_create()
998 						if(nq)  in nv_create()
1000 							if(c=='.' && !nv_isvtree(nq))  in nv_create()
1004 								nv_setvtree(nq);  in nv_create()
1006 							np = nq;  in nv_create()
1009 							return(nq);  in nv_create()
1033 						if((nq = (*fp->disc->createf)(np,cp+1,flags,fp)) == np)  in nv_create()
1039 						else if(np=nq)  in nv_create()
2124 	register Namval_t *np,*nq, *npnext;  in table_unset()  local
2133 		if(nq=dtsearch(oroot,np))  in table_unset()
2135 			if(nv_cover(nq))  in table_unset()
2139 				if(nv_isattr(nq, NV_INTEGER))  in table_unset()
2141 					Sfdouble_t d = nv_getnum(nq);  in table_unset()
2142 					nv_putval(nq,(char*)&d,NV_LDOUBLE);  in table_unset()
2145 					nv_putval(nq, strdup(nv_getval(nq)), NV_RDONLY);  in table_unset()
2147 					nv_putval(nq, nv_getval(nq), NV_RDONLY);  in table_unset()
2151 			if(nv_isattr(nq,NV_EXPORT))  in table_unset()
2152 				sh_envput(shp->env,nq);  in table_unset()
2160 			while((nq=npnext) && memcmp(np->nvname,nq->nvname,len)==0 && nq->nvname[len]=='.')  in table_unset()
2163 				npnext = (Namval_t*)dtnext(root,nq);  in table_unset()
2164 				_nv_unset(nq,flags);  in table_unset()
2165 				nv_delete(nq,root,0);  in table_unset()
2219 				Namval_t *mp, *nq;  in _nv_unset()  local
2220 				for(mp=(Namval_t*)dtfirst(rp->sdict);mp;mp=nq)  in _nv_unset()
2222 					nq = dtnext(rp->sdict,mp);  in _nv_unset()
2986 	register Namval_t *nq, *nr=0;  in nv_setref()  local
3004 	if(!(nr = nq = nv_open(cp, hp, flags|NV_NOSCOPE|NV_NOADD|NV_NOFAIL)))  in nv_setref()
3008 	if(nq && ep && nv_isarray(nq) && !nv_getsub(nq))  in nv_setref()
3009 		nv_endsubscript(nq,ep-1,NV_ADD);  in nv_setref()
3012 		nr= nq = nv_open(cp, hp, flags);  in nv_setref()
3026 		if(!(hp=dtvnext(hp)) || (nq=nv_search((char*)np,hp,NV_ADD|HASH_BUCKET))==np)  in nv_setref()
3029 	if(nq && !ep && (ap=nv_arrayptr(nq)) && !(ap->nelem&(ARRAY_UNDEF|ARRAY_SCAN)))  in nv_setref()
3030 		ep =  nv_getsub(nq);  in nv_setref()
3034 		if(nv_isarray(nq))  in nv_setref()
3035 			ep = nv_getsub(nq);  in nv_setref()
3041 			if(nq = nv_opensub(nr))  in nv_setref()
3044 				nq = nr;  in nv_setref()
3050 	np->nvalue.nrp->np = nq;  in nv_setref()
3122 	Namval_t *nq;  in nv_unref()  local
3128 	nq = nv_refnode(np);  in nv_unref()
3130 	np->nvalue.cp = strdup(nv_name(nq));  in nv_unref()
3134 		for(fp=nq->nvfun; fp; fp = fp->next)  in nv_unref()
3138 				optimize_clear(nq,fp);  in nv_unref()
3196 		Namval_t *nq= sh.last_table, *mp= (Namval_t*)np->nvenv;  in nv_name()  local
3203 		sh.last_table = nq;  in nv_name()