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+'\" t
+.\"     Title: ll2_read_all
+.\"    Author: [see the "AUTHOR(S)" section]
+.\" Generator: Asciidoctor 2.0.20
+.\"      Date: 2024-03-20
+.\"    Manual: Programmer's Manual
+.\"    Source: util-linux 2.40
+.\"  Language: English
+.\"
+.TH "LL2_READ_ALL" "3" "2024-03-20" "util\-linux 2.40" "Programmer\*(Aqs Manual"
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.ss \n[.ss] 0
+.nh
+.ad l
+.de URL
+\fI\\$2\fP <\\$1>\\$3
+..
+.als MTO URL
+.if \n[.g] \{\
+.  mso www.tmac
+.  am URL
+.    ad l
+.  .
+.  am MTO
+.    ad l
+.  .
+.  LINKSTYLE blue R < >
+.\}
+.SH "NAME"
+ll2_read_all \- Reads all entries from database and calls the callback function for each entry.
+.SH "SYNOPSIS"
+.sp
+\fB#include <lastlog2.h>\fP
+\fBint ll2_read_all (struct ll2_context *\fIcontext\fP,
+int (*\fIcallback\fP)(const char *\fIuser\fP, int64_t \fIll_time\fP,
+const char *\fItty\fP, const char *\fIrhost\fP,
+const char *\fIpam_service\fP, const char *\fIcb_error\fP),
+char **\fIerror\fP);\fP
+.SH "DESCRIPTION"
+.sp
+Reads all entries from database, defined in \fIcontext\fP, and calls callback fuction \fIcallback\fP for each entry.
+If \fIcontext\fP is NULL, the default database, defined in \fILL2_DEFAULT_DATABASE\fP, will be taken.
+.sp
+.if n .RS 4
+.nf
+.fam C
+char  *error = NULL;
+const char *user = "root";
+
+static int
+callback (const char *res_user, int64_t ll_time, const char *res_tty,
+          const char *res_rhost, const char *res_service, const char *cb_error)
+{
+   /* returning != 0 if no further entry has to be handled by the callback */
+   return 0;
+}
+
+int ret = ll2_read_all (NULL, callback, &error);
+.fam
+.fi
+.if n .RE
+.SH "RETURN VALUE"
+.sp
+Returns 0 on success, \-ENOMEM or \-1 on other failure.
+\fIerror\fP contains an error string if the return value is \-1.
+\fIerror\fP is not guaranteed to contain an error string, could also be NULL.
+\fIerror\fP should be freed by the caller.
+If lastlog2 database does not exist at all, the errno ENOENT has been set
+and can be checked.
+.SH "AUTHORS"
+.sp
+Thorsten Kukuk (\c
+.MTO "kukuk\(atsuse.de" "" ")"
+.SH "SEE ALSO"
+.sp
+\fBlastlog2\fP(3),
+\fBll2_new_context(3),
+*ll2_unref_context(3),
+*ll2_write_entry\fP(3),
+\fBll2_read_entry\fP(3),
+\fBll2_update_login_time\fP(3),
+\fBll2_remove_entry\fP(3),
+\fBll2_rename_user\fP(3),
+\fBll2_import_lastlog\fP(3)
+.SH "REPORTING BUGS"
+.sp
+For bug reports, use the issue tracker at \c
+.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
+.SH "AVAILABILITY"
+.sp
+The \fBliblastlog2\fP library is part of the util\-linux package since version 2.40. It can be downloaded from \c
+.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."
+\ No newline at end of file