.010   No person shall act as a guard or lookout for any building, premises or establishment used for gambling, prostitution or any other form of vice or illegal act, or where intoxicating liquors are illegally kept, sold or purchased, or for any person soliciting, offering or engaging in prostitution, gambling or any other form of vice, or illegal act, or any prostitute, on any street or sidewalk.
   .020   No person shall give any signal intended to or calculated to warn or give warning of the approach of any peace officer to any person in or about such building or premises or place mentioned in the preceding subsection. (Ord. 1428 § 2 (part); December 22, 1959.)