go/src/internal/syscall/unix/at.go

func Unlinkat(dirfd int, path string, flags int) error { … }

func Openat(dirfd int, path string, flags int, perm uint32) (int, error) { … }

func Readlinkat(dirfd int, path string, buf []byte) (int, error) { … }

func Mkdirat(dirfd int, path string, mode uint32) error { … }