PIPE_BUF          126 compat/poll/poll.c # ifndef PIPE_BUF
PIPE_BUF          180 compat/poll/poll.c 	      || fpli.WriteQuotaAvailable >= PIPE_BUF
PIPE_BUF          181 compat/poll/poll.c 	      || (fpli.OutboundQuota < PIPE_BUF &&