IsLocalAddress

This procedure queries the TCP/IP address space to determine whether the HostAddress is one of the addresses recognized for this host. If the address is local, it returns OK. If the address is not local, it returns NONlocalADDRESS. Figure 1 shows an example.

Figure 1. IsLocalAddress example

   procedure IsLocalAddress
            (
                 HostAddress: InternetAddressType;
        var    ReturnCode: integer
            );
            external;

Parameter

Description

HostAddress

The host address to be tested.

ReturnCode

Indicates whether the host address is local, or it might indicate an error. Possible return values are:

OK
NONlocalADDRESS
TCPipSHUTDOWN
FATALerror
SOFTWAREerror

For a description of Pascal return codes, see Table 1.