Is your feature request related to a problem? Please describe.
API documentation claims RemoteAddr parameter for OS_SocketRecvFrom can be null, but this is not functionally tested/confirmed.

Describe the solution you'd like
Add a test to confirm implementation meets API description.

Describe alternatives you've considered
None.

Additional context
Note this case is included in the coverage test.

Requester Info
Jacob Hageman - NASA/GSFC