z/OS Communications Server: SNA Customization
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Final register contents

z/OS Communications Server: SNA Customization
SC27-3666-00

The CLU search exit routine must leave the register status as follows:
Register 1:
Address of the CLU search exit parameter list
Registers 2–14:
Restored to entry contents
Register 15:
Return code

The implications of the return codes vary, depending on the function of the exit. The return codes are described in Return codes.

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