ref: c809e59d972aead305d59b23e4d1d156c1ebd2a6 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