z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
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BeginTcpIp

z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
SC27-3660-00

Use BeginTcpIp to inform the TCP/IP address space that you want to start using its services as show in Figure 1.

Figure 1. BeginTcpIp example
   procedure BeginTcpIp
            (
        var   ReturnCode: integer
            );
            external;
Parameter
Description
ReturnCode
Indicates success or failure of call. Possible return values are:
  • OK
  • ABNORMALcondition
  • FATALerror
  • NOtcpIPservice
  • TCPipSHUTDOWN
  • VIRTUALmemoryTOOsmall

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

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