'\" t
.TH "SD_JOURNAL_OPEN" "3" "" "elogind 252.9" "sd_journal_open"
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.nh
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.\" * MAIN CONTENT STARTS HERE *
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.SH "NAME"
sd_journal_open, sd_journal_open_directory, sd_journal_open_directory_fd, sd_journal_open_files, sd_journal_open_files_fd, sd_journal_open_namespace, sd_journal_close, sd_journal, SD_JOURNAL_ALL_NAMESPACES, SD_JOURNAL_INCLUDE_DEFAULT_NAMESPACE \- Open the system journal for reading
.SH "SYNOPSIS"
.sp
.ft B
.nf
#include <elogind/sd\-journal\&.h>
.fi
.ft
.HP \w'int\ sd_journal_open('u
.BI "int sd_journal_open(sd_journal\ **" "ret" ", int\ " "flags" ");"
.HP \w'int\ sd_journal_open_namespace('u
.BI "int sd_journal_open_namespace(sd_journal\ **" "ret" ", const\ char\ *" "namespace" ", int\ " "flags" ");"
.HP \w'int\ sd_journal_open_directory('u
.BI "int sd_journal_open_directory(sd_journal\ **" "ret" ", const\ char\ *" "path" ", int\ " "flags" ");"
.HP \w'int\ sd_journal_open_directory_fd('u
.BI "int sd_journal_open_directory_fd(sd_journal\ **" "ret" ", int\ " "fd" ", int\ " "flags" ");"
.HP \w'int\ sd_journal_open_files('u
.BI "int sd_journal_open_files(sd_journal\ **" "ret" ", const\ char\ **" "paths" ", int\ " "flags" ");"
.HP \w'int\ sd_journal_open_files_fd('u
.BI "int sd_journal_open_files_fd(sd_journal\ **" "ret" ", int\ " "fds[]" ", unsigned\ " "n_fds" ", int\ " "flags" ");"
.HP \w'void\ sd_journal_close('u
.BI "void sd_journal_close(sd_journal\ *" "j" ");"
.SH "DESCRIPTION"
.PP
As elogind can not open any systemd journals, the functions
\fBsd_journal_open\fR,
\fBsd_journal_open_directory\fR,
\fBsd_journal_open_directory_fd\fR,
\fBsd_journal_open_files\fR,
\fBsd_journal_open_files_fd\fR
and
\fBsd_journal_close\fR
do nothing\&.
.SH "RETURN VALUE"
.PP
The
\fBsd_journal_open()\fR,
\fBsd_journal_open_directory()\fR, and
\fBsd_journal_open_files()\fR
calls return \-ENOSYS\&.

\fBsd_journal_close()\fR
returns nothing\&.
.SH "SEE ALSO"
.PP

\fBelogind\fR(8),

\fBsd_journal_next\fR(3),
\fBsd_journal_get_data\fR(3)