ref: fcee86a4008c4adbda7b9a6a1f9bc41c05bc092e dir: /src/libc/arch/amd64/darwin/syscall.lst/
1 __Exit 3 __read 4 __write 5 __open 6 __close 20 __getpid 46 __sigaction 37 __kill 199 __lseek