scanlimit
} else if (scanlimit("uucico", &limitval) == FAIL) {
extern int scanlimit(); /* limits.c */
if (scanlimit("uusched", &limitval) == FAIL) {
if (scanlimit("uuxqt", &limitval) == FAIL) {
extern int scanlimit(); /* limits.c */
extern int scanlimit(); /* limits.c */