diff options
Diffstat (limited to 'usr.bin/biff/biff.c')
| -rw-r--r-- | usr.bin/biff/biff.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.bin/biff/biff.c b/usr.bin/biff/biff.c index 938914c..acfd10b 100644 --- a/usr.bin/biff/biff.c +++ b/usr.bin/biff/biff.c @@ -74,7 +74,9 @@ main(argc, argv) argc -= optind; argv += optind; - if ((name = ttyname(STDERR_FILENO)) == NULL) + if ((name = ttyname(STDIN_FILENO)) == NULL && + (name = ttyname(STDOUT_FILENO)) == NULL && + (name = ttyname(STDERR_FILENO)) == NULL) err(2, "unknown tty"); if (stat(name, &sb)) |
