Symbol: MSG_DISCARDTAIL
usr/src/uts/common/fs/sockfs/socktpi.c
3015
pflag |= MSG_DISCARDTAIL;
usr/src/uts/common/fs/sockfs/socktpi.c
3352
pflag |= MSG_DISCARDTAIL;
usr/src/uts/common/os/streamio.c
7626
if (flags & (MSG_IPEEK|MSG_DISCARDTAIL)) {