* Copyright (c) 1991 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
static char sccsid
[] = "@(#)cchar.c 5.4 (Berkeley) 6/10/91";
* Special control characters.
* Cchars1 are the standard names, cchars2 are the old aliases.
* The first are displayed, but both are recognized on the
struct cchar cchars1
[] = {
"discard", VDISCARD
, CDISCARD
,
"reprint", VREPRINT
, CREPRINT
,
"status", VSTATUS
, CSTATUS
,
"werase", VWERASE
, CWERASE
,
struct cchar cchars2
[] = {
"flush", VDISCARD
, CDISCARD
,
"rprnt", VREPRINT
, CREPRINT
,
register struct cchar
*cp
;
static int c_cchar
__P((const void *, const void *));
if (!(cp
= (struct cchar
*)bsearch(&tmp
, cchars1
,
sizeof(cchars1
)/sizeof(struct cchar
) - 1, sizeof(struct cchar
),
c_cchar
)) && !(cp
= (struct cchar
*)bsearch(&tmp
, cchars1
,
sizeof(cchars1
)/sizeof(struct cchar
) - 1, sizeof(struct cchar
),
err("option requires an argument -- %s\n%s", name
, usage
);
#define CHK(s) (*arg == s[0] && !strcmp(arg, s))
if (CHK("undef") || CHK("<undef>"))
ip
->t
.c_cc
[cp
->sub
] = _POSIX_VDISABLE
;
ip
->t
.c_cc
[cp
->sub
] = (arg
[1] == '?') ? 0177 :
(arg
[1] == '-') ? _POSIX_VDISABLE
: arg
[1] & 037;
ip
->t
.c_cc
[cp
->sub
] = arg
[0];
return(strcmp(((struct cchar
*)a
)->name
, ((struct cchar
*)b
)->name
));