.TH GETLOGIN 3 "19 January 1983"
getlogin \- get login name
returns a pointer to the login name as found in
It may be used in conjunction with
to locate the correct password file entry when the same userid
is shared by several login names.
is called within a process that is not attached to a
typewriter, it returns NULL.
The correct procedure for determining the login name is to first call
getpwent(3), getgrent(3), utmp(5), getpw(3)
Returns NULL (0) if name not found.
The return values point to static data
whose content is overwritten by each call.