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Fiwix symbol
Welcome to The Fiwix Project
A UNIX-like kernel for the i386 architecture
Fiwix kernel 
noctty_flag       421 drivers/char/tty.c 	int noctty_flag;
noctty_flag       425 drivers/char/tty.c 	noctty_flag = fd_table->flags & O_NOCTTY;
noctty_flag       434 drivers/char/tty.c 		noctty_flag = 1;
noctty_flag       451 drivers/char/tty.c 	if(SESS_LEADER(current) && !current->ctty && !noctty_flag && !tty->sid) {