[unix-history] / usr / man / man4 / lp.4

.TH LP 4 
.SH NAME
lp \- line printer
.SH DESCRIPTION
.I Lp
provides the interface to any of the standard
DEC line printers.
When it is opened or closed, a suitable number
of page ejects is generated.
Bytes written are printed.
.PP
An internal parameter within the driver determines
whether or not the device is treated as having
a 96- or 64-character set.
In half-ASCII mode, lower case letters are turned
into
upper case
and certain characters are escaped according to
the following table:
.PP
.if t .ig
.br
.ns
.TP 10
{
(\b-
.br
.ns
.TP 10
}
)\b-
.br
.ns
.TP 10
\`
\'\b-
.br
.ns
.TP 10
|
!\b-
.br
.ns
.TP 10
~
^\b-
..
.if n .ig
.br
.ns
.TP 10
{
\o"(\-"
.br
.ns
.TP 10
}
\o")\-"
.br
.ns
.TP 10
\`
\o"\'\-"
.br
.ns
.TP 10
|
\o"!\-"
.br
.ns
.TP 10
~
\o"^\-"
..
.PP
The driver correctly interprets
carriage returns, backspaces, tabs, and form feeds.
A sequence of newlines which extends over the end of
a page is turned into a form feed.
All lines are indented 8 characters.
Lines longer than 80 characters are truncated.
These numbers are parameters in the driver;
another parameter allows indenting all printout
if it is unpleasantly near the left margin.
.SH FILES
/dev/lp
.SH "SEE ALSO"
lpr(1)
.SH BUGS
Half-ASCII mode, the indent and the maximum line length should
be settable by a call analogous to
.IR stty (2).
Commit	Line	Data
e6817382 BJ	1	.TH LP 4
	2	.SH NAME
	3	lp \- line printer
	4	.SH DESCRIPTION
	5	.I Lp
	6	provides the interface to any of the standard
	7	DEC line printers.
	8	When it is opened or closed, a suitable number
	9	of page ejects is generated.
	10	Bytes written are printed.
	11	.PP
	12	An internal parameter within the driver determines
	13	whether or not the device is treated as having
	14	a 96- or 64-character set.
	15	In half-ASCII mode, lower case letters are turned
	16	into
	17	upper case
	18	and certain characters are escaped according to
	19	the following table:
	20	.PP
	21	.if t .ig
	22	.br
	23	.ns
	24	.TP 10
	25	{
	26	(\b-
	27	.br
	28	.ns
	29	.TP 10
	30	}
	31	)\b-
	32	.br
	33	.ns
	34	.TP 10
	35	\`
	36	\'\b-
	37	.br
	38	.ns
	39	.TP 10
	40	\|
	41	!\b-
	42	.br
	43	.ns
	44	.TP 10
	45	~
	46	^\b-
	47	..
	48	.if n .ig
	49	.br
	50	.ns
	51	.TP 10
	52	{
	53	\o"(\-"
	54	.br
	55	.ns
	56	.TP 10
	57	}
	58	\o")\-"
	59	.br
	60	.ns
	61	.TP 10
	62	\`
	63	\o"\'\-"
	64	.br
65	.ns
66	.TP 10
67	\|
68	\o"!\-"
69	.br
70	.ns
71	.TP 10
72	~
73	\o"^\-"
74	..
75	.PP
76	The driver correctly interprets
77	carriage returns, backspaces, tabs, and form feeds.
78	A sequence of newlines which extends over the end of
79	a page is turned into a form feed.
80	All lines are indented 8 characters.
81	Lines longer than 80 characters are truncated.
82	These numbers are parameters in the driver;
83	another parameter allows indenting all printout
84	if it is unpleasantly near the left margin.
85	.SH FILES
86	/dev/lp
87	.SH "SEE ALSO"
88	lpr(1)
89	.SH BUGS
90	Half-ASCII mode, the indent and the maximum line length should
91	be settable by a call analogous to
92	.IR stty (2).