tag	line	file	source code
FD_ZERO	594	fs/exec.c	FD_ZERO(&current->close_on_exec);
FD_ZERO	101	fs/select.c	FD_ZERO(res_in);
FD_ZERO	102	fs/select.c	FD_ZERO(res_out);
FD_ZERO	103	fs/select.c	FD_ZERO(res_ex);
FD_ZERO	141	fs/select.c	FD_ZERO(fdset);