tag	line	file	source code
_sys_old_syscall	20	include/linux/sys.h	#define _sys_waitpid  _sys_old_syscall  /* _sys_wait4 */
_sys_old_syscall	21	include/linux/sys.h	#define _sys_olduname  _sys_old_syscall  /* _sys_newuname */
_sys_old_syscall	22	include/linux/sys.h	#define _sys_uname  _sys_old_syscall  /* _sys_newuname */
_sys_old_syscall	23	include/linux/sys.h	#define _sys_stat  _sys_old_syscall  /* _sys_newstat */
_sys_old_syscall	24	include/linux/sys.h	#define _sys_fstat  _sys_old_syscall  /* _sys_newfstat */
_sys_old_syscall	25	include/linux/sys.h	#define _sys_lstat  _sys_old_syscall  /* _sys_newlstat */
_sys_old_syscall	26	include/linux/sys.h	#define _sys_signal  _sys_old_syscall  /* _sys_sigaction */
_sys_old_syscall	27	include/linux/sys.h	#define _sys_sgetmask  _sys_old_syscall  /* _sys_sigprocmask */
_sys_old_syscall	28	include/linux/sys.h	#define _sys_ssetmask  _sys_old_syscall  /* _sys_sigprocmask */