Symbol: OPT_ZEROOK
usr/src/cmd/cmd-inet/usr.bin/pppd/options.c
751
!((opt->flags & OPT_ZEROOK) && (iv == 0))) {
usr/src/cmd/cmd-inet/usr.bin/pppd/options.c
752
char *zok = (opt->flags & OPT_ZEROOK) ? " zero or" : "";