tag	line	file	source code
SEL_OUT	127	fs/pipe.c	case SEL_OUT:
SEL_OUT	60	fs/select.c	return file->f_op->select(inode,file,SEL_OUT,wait);
SEL_OUT	603	kernel/chr_drv/tty_io.c	case SEL_OUT:
SEL_OUT	300	net/socket.c	(sel_type == SEL_OUT) ? "out" : "ex");
SEL_OUT	541	net/unix.c	if (sel_type == SEL_OUT) {