func golang.org/x/sys/unix.Syscall9

one use

	golang.org/x/sys/unix (current package)
		syscall_darwin_arm64.go#L47: func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic