EZY4096E

Protocol family not supported (EPFNOSUPPORT)
Explanation
The protocol specified in the socket call is not supported by the
address family specified. The following list displays some of the
possible function calls that might return this error value:
getclientid
The domain is not AF_INET.
takesocket
The domain field of the CLIENTID parameter is not AF_INET.

System action
The socket call ends.  TCPIP continues.

Operator response
None.

System programmer response
  Use the information provided in the table above as a guide to
the conditions under which this error can occur.  Apply this information
to your application, and correct the parameters of the appropriate
socket call.  For more information, see the z/OS Communications Server: IP Sockets Application
Programming Interface Guide and Reference.

Module
TCPERROR

Procedure name
tcperror 