tag	line	file	source code
dup	222	include/unistd.h	int dup(int fildes);
dup	200	init/main.c	(void) dup(0);
dup	201	init/main.c	(void) dup(0);
dup	229	init/main.c	(void) dup(0);
dup	230	init/main.c	(void) dup(0);
dup	10	lib/dup.c	_syscall1(int,dup,int,fd)