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.br addseverity ()
is provided in glibc since version 2.1.
.sh attributes
for an explanation of the terms used in this section, see
.br attributes (7).
.ad l
.nh
.ts
allbox;
lbx lb lb
l l l.
interface attribute value
t{
.br addseverity ()
t} thread safety mt-safe
.te
.hy
.ad
.sp 1
.sh conforming to
this function is not specified in the x/open portability guide
although the
.br fmtmsg (3)
function is.
it is available on system v
systems.
.sh notes
new severity classes can also be added by setting the environment variable
.br sev_level .
.sh see also
.br fmtmsg (3)
.sh colophon
this page is part of release 5.13 of the linux
.i man-pages
project.
a description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
\%https://www.kernel.org/doc/man\-pages/.
.\" copyright (c) 1990, 1993
.\" the regents of the university of california. all rights reserved.
.\"
.\" %%%license_start(bsd_4_clause_ucb)
.\" 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.
.\" %%%license_end
.\"
.\" @(#)hash.3 8.6 (berkeley) 8/18/94
.\"
.th hash 3 2017-09-15 "" "linux programmer's manual"
.uc 7
.sh name
hash \- hash database access method
.sh synopsis
.nf
.ft b
#include <sys/types.h>
#include <db.h>
.ft r
.fi
.sh description
.ir "note well" :
this page documents interfaces provided in glibc up until version 2.1.
since version 2.2, glibc no longer provides these interfaces.
probably, you are looking for the apis provided by the
.i libdb
library instead.
.pp
the routine
.br dbopen (3)
is the library interface to database files.
one of the supported file formats is hash files.
the general description of the database access methods is in