156 	struct var **vpp;  in initvar()  local
160 		if (find_var(ip->text, &vpp, &vp->name_len) != NULL)  in initvar()
162 		vp->next = *vpp;  in initvar()
163 		*vpp = vp;  in initvar()
171 	if (find_var("PS1", &vpp, &vps1.name_len) == NULL) {  in initvar()
172 		vps1.next = *vpp;  in initvar()
173 		*vpp = &vps1;  in initvar()
318 	struct var *vp, **vpp;  in setvareq()  local
325 	vp = find_var(s, &vpp, &nlen);  in setvareq()
379 	vp->next = *vpp;  in setvareq()
381 	*vpp = vp;  in setvareq()
546 	struct var **vpp;  in environment()  local
551 	for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in environment()
552 		for (vp = *vpp ; vp ; vp = vp->next)  in environment()
557 	for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in environment()
558 		for (vp = *vpp ; vp ; vp = vp->next)  in environment()
591 	struct var **vpp;  in showvarscmd()  local
601 	for (vpp = vartab; vpp < vartab + VTABSIZE; vpp++) {  in showvarscmd()
602 		for (vp = *vpp; vp; vp = vp->next) {  in showvarscmd()
611 	for (vpp = vartab; vpp < vartab + VTABSIZE; vpp++) {  in showvarscmd()
612 		for (vp = *vpp; vp; vp = vp->next) {  in showvarscmd()
647 	struct var **vpp;  in exportcmd()  local
687 		for (vpp = vartab ; vpp < vartab + VTABSIZE ; vpp++) {  in exportcmd()
688 			for (vp = *vpp ; vp ; vp = vp->next) {  in exportcmd()
748 	struct var **vpp;  in mklocal()  local
758 		vp = find_var(name, &vpp, NULL);  in mklocal()
764 			vp = *vpp;	/* the new variable */  in mklocal()
881 	struct var **vpp;  in unsetvar()  local
884 	vp = find_var(s, &vpp, NULL);  in unsetvar()
901 		*vpp = vp->next;  in unsetvar()
939 	struct var *vp, **vpp;  in find_var()  local
949 	vpp = &vartab[hashval % VTABSIZE];  in find_var()
951 		*vppp = vpp;  in find_var()
953 	for (vp = *vpp ; vp ; vpp = &vp->next, vp = *vpp) {  in find_var()
959 			*vppp = vpp;  in find_var()