z/OS Communications Server: SNA Programmer's LU 6.2 Guide
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Request of LU 6.2 services

z/OS Communications Server: SNA Programmer's LU 6.2 Guide
SC27-3669-00

To request LU 6.2 services, the application program uses the RPL-based APPCCMD macroinstruction (in conjunction with at least the VTAM® OPEN, CLOSE, and SETLOGON macroinstructions). The RPL extension provides feedback and return code information to the application program.

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