appends the utmp structure
to the wtmp file.
constructs a utmp structure using
line, name, host,
current time and current process ID.
Then it calls
to append the structure to the wtmp file.
database of past user logins
Not in POSIX.1-2001.
Present on Solaris, NetBSD, and perhaps other systems.
Both functions are available under glibc2, but not under libc5.
used to occur in the old libbsd.
These days, the
function is included in libutil.
(Hence you'll need to add -lutil
to your compiler command line to get it.)
For consistency with the other "utmpx" functions (see
glibc provides (since version 2.1):