168 	struct var **vpp;  in initvar()  local
171 		if (find_var(ip->text, &vpp, &vp->name_len) != NULL)  in initvar()
173 		vp->next = *vpp;  in initvar()
174 		*vpp = vp;  in initvar()
182 	if (find_var("PS1", &vpp, &vps1.name_len) == NULL) {  in initvar()
183 		vps1.next = *vpp;  in initvar()
184 		*vpp = &vps1;  in initvar()
275 	struct var *vp, **vpp;  in setvareq()  local
280 	vp = find_var(s, &vpp, &nlen);  in setvareq()
308 	vp->next = *vpp;  in setvareq()
310 	*vpp = vp;  in setvareq()
393 	struct var **vpp;  in environment()  local
399 	for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in environment()
400 		for (vp = *vpp ; vp ; vp = vp->next)  in environment()
405 	for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in environment()
406 		for (vp = *vpp ; vp ; vp = vp->next)  in environment()
432 	struct var **vpp;  in shprocvar()  local
435 	for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in shprocvar()
436 		for (prev = vpp ; (vp = *prev) != NULL ; ) {  in shprocvar()
509 	struct var **vpp;  in showvars()  local
522 	for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in showvars()
523 		for (vp = *vpp ; vp ; vp = vp->next) {  in showvars()
539 	for (vpp = list; count--; vpp++) {  in showvars()
540 		vp = *vpp;  in showvars()
620 	struct var **vpp;  in mklocal()  local
631 		vp = find_var(name, &vpp, NULL);  in mklocal()
637 			vp = *vpp;	/* the new variable */  in mklocal()
741 	struct var **vpp;  in unsetvar()  local
744 	vp = find_var(s, &vpp, NULL);  in unsetvar()
762 			*vpp = vp->next;  in unsetvar()
801 	struct var *vp, **vpp;  in find_var()  local
811 	vpp = &vartab[hashval % VTABSIZE];  in find_var()
813 		*vppp = vpp;  in find_var()
815 	for (vp = *vpp ; vp ; vpp = &vp->next, vp = *vpp) {  in find_var()
821 			*vppp = vpp;  in find_var()