ref: 7cbc37c64d22c947533e0f2a0c8498f94fc1f479
dir: /src/libc/arch/amd64/linux/syscall.lst/
#Tab 15 #number name nargs 0 _read 3 1 _write 3 2 _open 3 3 _close 1 8 _lseek 3 12 _sys_brk 1 13 __sigaction 4 15 _sigreturn 0 39 _getpid 0 60 _exit 1 62 _kill 2 87 _unlink 1 96 _gettimeofday 2 98 _getrusage 2