taglinefilesource code
is_console1170drivers/char/tty_io.cint dev, i, is_console;
is_console1174drivers/char/tty_io.cis_console = (inode->i_rdev == CONSOLE_DEV);
is_console1180drivers/char/tty_io.cif (is_console && redirect)
is_console1187drivers/char/tty_io.cif (!is_console && L_TOSTOP(tty) && (tty->pgrp > 0) &&