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Annotation of 43BSDTahoe/man/man3/getlogin.3, revision 1.1

1.1     ! root        1: .\"    @(#)getlogin.3  6.2 (Berkeley) 5/9/86
        !             2: .\"
        !             3: .TH GETLOGIN 3  "May 9, 1986"
        !             4: .AT 3
        !             5: .SH NAME
        !             6: getlogin \- get login name
        !             7: .SH SYNOPSIS
        !             8: .B char *getlogin()
        !             9: .SH DESCRIPTION
        !            10: .I Getlogin
        !            11: returns a pointer to the login name as found in
        !            12: .IR /etc/utmp .
        !            13: It may be used in conjunction with
        !            14: .I getpwnam
        !            15: to locate the correct password file entry when the same userid
        !            16: is shared by several login names.
        !            17: .PP
        !            18: If
        !            19: .I getlogin
        !            20: is called within a process that is not attached to a
        !            21: terminal, or if there is no entry in
        !            22: .I /etc/utmp
        !            23: for the process's terminal,
        !            24: .I getlogin
        !            25: returns a NULL pointer (0).
        !            26: A reasonable procedure for determining the login name is to first call
        !            27: .I getlogin
        !            28: and if it fails, to call
        !            29: .IR getpwuid ( getuid ()).
        !            30: .SH FILES
        !            31: /etc/utmp
        !            32: .SH "SEE ALSO"
        !            33: getpwent(3), utmp(5), ttyslot(3)
        !            34: .SH DIAGNOSTICS
        !            35: Returns a NULL pointer (0) if name not found.
        !            36: .SH BUGS
        !            37: The return values point to static data
        !            38: whose content is overwritten by each call.

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