z/OS Communications Server: SNA Programmer's LU 6.2 Guide
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Send requests not using a buffer list

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

For send requests not using a buffer list (NBUFFLST), the proper address for the AREA field can be computed by adding RPL6STBF and RPL6STDS. The new RECLEN value can be determined by subtracting RPL6STDS from the RECLEN value.
RECLEN
Indicates the total size of the buffer.
RPLAREA
Indicates the starting point of the buffer.
RPL6STBF
Indicates the starting point of the data that was being sent.
RPL6STDS
Indicates the point at which the storage shortage occurred and, therefore, the starting point for the continuation of the send.

Use the following sequence:

  1. RPLAREA = RPL6STBF + RPL6STDS
  2. RECLEN = RECLEN - RPL6STDS

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