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    The following form allows you to view linux man pages.

    Command:

    logwtmp

    
    
    

    SYNOPSIS

           #include <utmp.h>
    
           void updwtmp(const char *wtmp_file, const struct utmp *ut);
           void logwtmp(const char *line, const char *name, const char *host);
    
    
    

    DESCRIPTION

           updwtmp() appends the utmp structure ut to the wtmp file.
    
           logwtmp()  constructs  a utmp structure using line, name, host, current
           time and current process ID.  Then it calls  updwtmp()  to  append  the
           structure to the wtmp file.
    
    
    

    FILES

           /var/log/wtmp
                  database of past user logins
    
    
    

    CONFORMING TO

           Not  in  POSIX.1-2001.   Present  on Solaris, NetBSD, and perhaps other
           systems.
    
    
    

    AVAILABILITY

           Both functions are available under glibc2, but not under  libc5.   How-
           ever,  logwtmp()  used  to  occur  in  the old libbsd.  These days, the
           logwtmp() function is included in libutil.  (Hence you'll need  to  add
           -lutil to your compiler command line to get it.)
    
    
    

    NOTES

           For  consistency  with  the other "utmpx" functions (see getutxent(3)),
           glibc provides (since version 2.1):
    
           #include <utmpx.h>
    
           void updwtmpx (const char *wtmpx_file, const struct utmpx *utx);
    
           This function performs the same task as updwtmp(), but differs in  that
           it takes a utmpx structure as its last argument.
    
    
    

    SEE ALSO

           getutxent(3), wtmp(5)
    
    
    

    GNU 2008-07-02 UPDWTMP(3)

    
    
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