Library: Net, Network utilities (OMNETUTIL) Import: omnetutl.xmd

Return type: String Returns:  Name of a host computer given its IP address.

Declaration

  define external stream function netutil.host-name
     of  value stream Host-IP optional

Argument definitions

Host-IP

is the dotted decimal format IP address of the host computer you want to retrieve the name of.

Use netutil.host-name to retrieve the official name of a host computer given its Internet Protocol (IP) address.

Usage Notes

The IP address must be specified in dotted decimal format (for example, "127.0.0.1").

If no IP address is specified, netutil.host-name returns the name of the local host. If this function fails to retrieve the host name, it returns the passed IP address.

Example

  import "omnetutil.xmd" prefixed by netutil.

  process
    local stream address initial {"206.116.41.138"}

    output "The name of the machine at ip address " || address
        || " is: " || netutil.host-name of address
        || "%n"

    output "The local host name is: " || netutil.host-name || "%n"

Other Library Functions    netutil.from-net32    netutil.host-ip    netutil.host-name    netutil.net32    netutil.omnetutil-version    netutil.to-net32

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