Notes

The GETNAMEINFO function is supported as of z/OS V1R4.
On z/VSE and z/VM, the GETNAMEINFO function is supported by CA IDMS's internal DNS and services resolvers. For more information, see the CA IDMS System Operations Guide.
The following table lists the flags that can be passed. The EQUate symbol is generated by the #SOCKET TCPIPDEF macro call and the field names are associated with the SOCKET-MISC-DEFINITIONS.

EQUate Symbol	Field Name	Description
NI@NFDQN	SOCKET-NIFLAGS-NOFQDN	Returns the node name portion only
NI@NREQD	SOCKET-NIFLAGS-NAMEREQD	Returns an error if the host is not located
NI@NHOST	SOCKET-NIFLAGS-NUMERICHOST	Returns the numeric form of the host
NI@NSERV	SOCKET-NIFLAGS-NUMERICSERV	Returns the numeric form of the server
NI@DGRAM	SOCKET-NIFLAGS-DGRAM	Specifies that the service is a datagram service

PL/I programs: The SOCKET_MISC_DEFINITIONS is used and the dashes are replaced by underscores.