return 0 not null string when user has a ctty but no utmp entry
authorJay Lepreau <lepreau@ucbvax.Berkeley.EDU>
Sat, 10 May 1986 07:14:11 +0000 (23:14 -0800)
committerJay Lepreau <lepreau@ucbvax.Berkeley.EDU>
Sat, 10 May 1986 07:14:11 +0000 (23:14 -0800)
commit8b87fcc26659835ada918dd05d95a122263cc001
treeda67692a636577a01786760f7a6a21549fccee45
parent9a92b9843a930d95fe44f758df8f8a75499dfbc5
return 0 not null string when user has a ctty but no utmp entry

SCCS-vsn: lib/libc/gen/getlogin.c 5.3
usr/src/lib/libc/gen/getlogin.c