clone(flags Int, stack *Any) -> Int { return syscall(56, flags, stack) } fork() -> Int { return syscall(57) } execve(path *Any, argv *Any, envp *Any) -> Int { return syscall(59, path, argv, envp) } exit(status Int) { syscall(60, status) } waitid(type Int, id Int, info *Any, options Int) -> Int { return syscall(247, type, id, info, options) }