V8/usr/man/man4/bufld.4

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.TH BUFLD 4
.SH NAME
buf_ld \- buffering line discipline
.SH DESCRIPTION
This stream module treasures up data for a while, then emits it in
a burst.
It is otherwise transparent.
It intends to reduce overhead of programs such as
.IR cu (1)
and
.IR uucp (1)
that read input from moderate-speed lines in raw or cbreak mode.
.PP
It saves characters until 16 are accumulated or 1/20 sec has passed
without seeing a character.
.SH "SEE ALSO
stream(4)
.SH BUGS
One supposes that the parameters should be settable.