*: code shrink by adding a wrapper around very common tcsetattr(0, TCSANOW, xx) op

function                                             old     new   delta
tcsetattr_stdin_TCSANOW                                -      14     +14
set_sane_term                                        116     113      -3
top_main                                            1277    1273      -4
make_new_session                                     421     415      -6
rawmode                                              133     126      -7
reset_term                                            18      10      -8
die                                                   43      35      -8
cookmode                                              62      54      -8
vlock_main                                           425     415     -10
read_line_input                                     3165    3155     -10
bb_askpass                                           357     347     -10
fsck_minix_main                                     3079    3065     -14
getty_main                                          2375    2332     -43
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/12 up/down: 14/-131)         Total: -117 bytes

1 files changed, 2 insertions, 2 deletions

diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index 42ef44732..0262da5bd 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -87,7 +87,7 @@ int vlock_main(int argc UNUSED_PARAM, char **argv)
         term.c_iflag |= IGNBRK;
         term.c_lflag &= ~ISIG;
         term.c_lflag &= ~(ECHO | ECHOCTL);
-        tcsetattr(STDIN_FILENO, TCSANOW, &term);
+        tcsetattr_stdin_TCSANOW(&term);
 
         do {
                 printf("Virtual console%s locked by %s.\n",
@@ -101,6 +101,6 @@ int vlock_main(int argc UNUSED_PARAM, char **argv)
         } while (1);
 
         ioctl(STDIN_FILENO, VT_SETMODE, &ovtm);
-        tcsetattr(STDIN_FILENO, TCSANOW, &oterm);
+        tcsetattr_stdin_TCSANOW(&oterm);
         fflush_stdout_and_exit(EXIT_SUCCESS);
 }