CentOS 7.0 - man page for getutmp (centos section 3)
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GETUTMP(3) Linux Programmer's Manual GETUTMP(3)
getutmp, getutmpx - copy utmp structure to utmpx, and vice versa
#define _GNU_SOURCE /* See feature_test_macros(7) */
void getutmp(const struct utmpx *ux, struct utmp *u);
void getutmpx(const struct utmp *u, struct utmpx *ux);
The getutmp() function copies the fields of the utmpx structure pointed to by ux to the
corresponding fields of the utmp structure pointed to by u. The getutmpx() function per-
forms the converse operation.
These functions do not return a value.
These functions first appeared in glibc in version 2.1.1.
These functions are nonstandard, but appear on a few other systems, such as Solaris and
These functions exist primarily for compatibility with other systems where the utmp and
utmpx structures contain different fields, or the size of corresponding fields differs.
On Linux, the two structures contain the same fields, and the fields have the same sizes.
This page is part of release 3.53 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
Linux 2010-09-10 GETUTMP(3)
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