1704     struct userenv *uep;  in update_system_environment()  local
1706     for (uep = userenv_list; uep != NULL; uep = uep->ue_next) {  in update_system_environment()
1707 	if (uep->ue_isset)  in update_system_environment()
1708 	    setenv(uep->ue_name, uep->ue_value, 1);  in update_system_environment()
1710 	    unsetenv(uep->ue_name);  in update_system_environment()
1791     struct userenv *uep;  in update_script_environment()  local
1793     for (uep = userenv_list; uep != NULL; uep = uep->ue_next) {  in update_script_environment()
1796 	int nlen = strlen(uep->ue_name);  in update_script_environment()
1799 	    if (strncmp(p, uep->ue_name, nlen) == 0 && p[nlen] == '=')  in update_script_environment()
1802 	if (uep->ue_isset) {  in update_script_environment()
1803 	    nlen += strlen(uep->ue_value) + 2;  in update_script_environment()
1808 	    slprintf(newstring, nlen, "%s=%s", uep->ue_name, uep->ue_value);  in update_script_environment()