- use the defines CURRENT_TTY and VC_1; also shrink xargs a tiny bit:

add/remove: 0/0 grow/shrink: 2/6 up/down: 5/-37 (-32)
function                                     old     new   delta
static.add_interface                         271     274      +3
static.glob3                                  36      38      +2
static.renice_main                           409     408      -1
static.readcmd                              1083    1081      -2
static.changepath                            176     174      -2
static.parse_opts                             56      51      -5
static.rx_main                              1095    1088      -7
static.xargs_main                            759     739     -20
----------------------------------------------------------------
Result                                                :-)    -32

3 files changed, 3 insertions, 5 deletions

diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
index 1f0ac524e..32153bd2c 100644
--- a/console-tools/setlogcons.c
+++ b/console-tools/setlogcons.c
@@ -27,7 +27,7 @@ extern int setlogcons_main(int argc, char **argv)
         if (argc == 2)
                 arg.subarg = atoi(argv[1]);
 
-        if (ioctl(bb_xopen("/dev/tty1", O_RDONLY), TIOCLINUX, &arg))
+        if (ioctl(bb_xopen(VC_1, O_RDONLY), TIOCLINUX, &arg))
                 bb_perror_msg_and_die("TIOCLINUX");;
 
         return 0;
diff --git a/findutils/xargs.c b/findutils/xargs.c
index 5a5e1c64c..ec6d99cac 100644
--- a/findutils/xargs.c
+++ b/findutils/xargs.c
@@ -311,9 +311,7 @@ static int xargs_ask_confirmation(void)
         int c, savec;
 
         if (!tty_stream) {
-                tty_stream = fopen("/dev/tty", "r");
-                if (!tty_stream)
-                        bb_perror_msg_and_die("/dev/tty");
+                tty_stream = bb_xfopen(CURRENT_TTY, "r");
                 /* pranoidal security by vodz */
                 fcntl(fileno(tty_stream), F_SETFD, FD_CLOEXEC);
         }
diff --git a/miscutils/rx.c b/miscutils/rx.c
index ef372d383..5fa98b5ef 100644
--- a/miscutils/rx.c
+++ b/miscutils/rx.c
@@ -290,7 +290,7 @@ int rx_main(int argc, char **argv)
                         bb_show_usage();
 
         fn = argv[1];
-        ttyfd = bb_xopen3("/dev/tty", O_RDWR, 0);
+        ttyfd = bb_xopen3(CURRENT_TTY, O_RDWR, 0);
         filefd = bb_xopen3(fn, O_RDWR|O_CREAT|O_TRUNC, 0666);
 
         if (tcgetattr(ttyfd, &tty) < 0)