ref: a73645af515b2acd8071837597a4a18b649ee9be dir: /src/libc/arch/i386/linux/syscall.lst/
#number name num_of_op 1 _exit 1 3 _read 3 4 _write 3 5 _open 2 6 _close 1 19 _lseek 3 20 _getpid 0 37 _kill 2 45 _sys_brk 1 67 __sigaction 4