1657     struct userenv *uep, **insp;  local
1667     for (uep = userenv_list; uep != NULL; uep = uep->ue_next) {
1668 	int nlen = strlen(uep->ue_name);
1670 	    strncmp(arg, uep->ue_name, nlen) == 0)
1674     if (uep != NULL && !privileged_option && uep->ue_priv)
1677     if (uep == NULL) {
1678 	uep = malloc(sizeof (*uep) + (eqp-arg));
1679 	strncpy(uep->ue_name, arg, eqp-arg);
1680 	uep->ue_name[eqp-arg] = '\0';
1681 	uep->ue_next = NULL;
1685 	*insp = uep;
1689 	    if (uep2 != uep && !uep2->ue_isset)
1692 	if (uep2 == NULL && !uep->ue_isset)
1694 	free(uep->ue_value);
1696     uep->ue_isset = 1;
1697     uep->ue_priv = privileged_option;
1698     uep->ue_source = option_source;
1699     uep->ue_value = strdup(eqp + 1);
1710     struct userenv *uep, *uepnext;  local
1715     while ((uep = uepnext) != NULL) {
1716 	uepnext = uep->ue_next;
1719 	(*printer)(arg, "%s=%s", uep->ue_name, uep->ue_value);
1721 	    (*printer)(arg, "\t\t# (from %s)\n%s ", uep->ue_source, opt->name);
1723 	    opt->source = uep->ue_source;
1731     struct userenv *uep, **insp;  local
1742     for (uep = userenv_list; uep != NULL; uep = uep->ue_next) {
1743 	if (strcmp(arg, uep->ue_name) == 0)
1747     if (uep != NULL && !privileged_option && uep->ue_priv)
1750     if (uep == NULL) {
1751 	uep = malloc(sizeof (*uep) + strlen(arg));
1752 	strcpy(uep->ue_name, arg);
1753 	uep->ue_next = NULL;
1757 	*insp = uep;
1761 	    if (uep2 != uep && uep2->ue_isset)
1764 	if (uep2 == NULL && uep->ue_isset)
1766 	free(uep->ue_value);
1768     uep->ue_isset = 0;
1769     uep->ue_priv = privileged_option;
1770     uep->ue_source = option_source;
1771     uep->ue_value = NULL;
1782     struct userenv *uep, *uepnext;  local
1787     while ((uep = uepnext) != NULL) {
1788 	uepnext = uep->ue_next;
1791 	(*printer)(arg, "%s", uep->ue_name);
1793 	    (*printer)(arg, "\t\t# (from %s)\n%s ", uep->ue_source, opt->name);
1795 	    opt->source = uep->ue_source;