ref: 1e1f75a7e9d7df35f4999c0ad3913ed61a92678b dir: /lib/sys/amd64-sysv-linux/syscall.lst/
#number name 0 _read 1 _write 2 _open 3 _close 3 _lseek 12 _brk 13 _rt_sigaction 38 _getpid 60 _Exit 32 _kill