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.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 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
.\" SUCH DAMAGE.
.\"
.\" From: @(#)err.3 8.1 (Berkeley) 6/9/93
.\" $FreeBSD: src/lib/libc/gen/err.3,v 1.11.2.5 2001/08/17 15:42:32 ru Exp $
.\"
.\" 2007-12-08, mtk, Converted from mdoc to man macros
.\"
.TH ERR 3 2007-12-28 "Linux" "Linux Programmer's Manual"
.SH ̾
err, verr, errx, verrx, warn, vwarn, warnx, vwarnx \- 顼å
.Nd
.SH
.nf
.B #include <err.h>
.sp
.BI "void err(int " eval ", const char *" fmt ", ...);"
.sp
.BI "void errx(int " eval ", const char *" fmt ", ...);"
.sp
.BI "void warn(const char *" fmt ", ...);"
.sp
.BI "void warnx(const char *" fmt ", ...);"
.sp
.B #include <stdarg.h>
.sp
.BI "void verr(int " eval ", const char *" fmt ", va_list " args );
.sp
.BI "void verrx(int " eval ", const char *" fmt ", va_list " args );
.sp
.BI "void vwarn(const char *" fmt ", va_list " args );
.sp
.BI "void vwarnx(const char *" fmt ", va_list " args );
.fi
.SH
.BR err ()
ؿ
.BR warn ()
ؿϡ顼åɸ२顼Ϥɽ롣
ɤδؿξ⡢(ǥ쥯ȥʬʤ)ץ̾
1ġڡ 1ĤϤ롣
.I fmt
NULL Ǥʤ硢
.BR printf (3)
ƱͤԤ졢顼åϤ롣
Ϥϲʸǽ롣
.PP
\"O motoki: based on a code or Ρa codeפȤϡ
ؿ
.BR err (),
.BR verr (),
.BR warn (),
.BR vwarn ()
ϡɤޤϥХѿ
.I errno
˴Ť
.BR strerror (3)
顼åϤ롣
.I fmt
NULL
ǤʤϡĤĤΥȥڡ³ƽϤ롣
.PP
ؿ
.BR err (),
.BR verr (),
.BR warn (),
.BR vwarn ()
ϡ顼åõ˥Хѿ
.I errno
Ѥ롣
.PP
ؿ
.BR errx (),
.BR warnx ()
ϥ顼åդäʤ
.PP
ؿ
.BR err (),
.BR verr (),
.BR errx (),
.BR verrx ()
֤֤ͤʤ
.I eval
ͤ exit status ꤷλ롣
.SH
ߤ errno ξɽλ:
.in +4n
.nf
if ((p = malloc(size)) == NULL)
err(1, NULL);
if ((fd = open(file_name, O_RDONLY, 0)) == \-1)
err(1, "%s", file_name);
.fi
.in
.PP
顼åɽλ:
.in +4n
.nf
if (tm.tm_hour < START_TIME)
errx(1, "too early, wait until %s", start_time_string);
.fi
.in
.PP
顼ٹɽ:
.in +4n
.nf
if ((fd = open(raw_device, O_RDONLY, 0)) == \-1)
warnx("%s: %s: trying the block device",
raw_device, strerror(errno));
if ((fd = open(block_device, O_RDONLY, 0)) == \-1)
err(1, "%s", block_device);
.fi
.in
.SH
δؿɸ BSD ĥǤ롣
.\" .SH
.\" ؿ
.\" .BR err ()
.\"
.\" .BR warn ()
.\"
.\" 4.4BSD
.\" ǽо줷
.SH Ϣ
.BR error (3),
.BR exit (3),
.BR printf (3),
.BR perror (3),
.BR strerror (3)
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