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     SELECTORS(5)                                         SELECTORS(5)

     Name
          selectors - Get box information

     Synopsis
          selectorsrq  box
          selectorsrep box 0 len buf
          statusrep err

     Description
          This RPC is issued when Plan B wants to get names for boxes
          contained on box. The selectors(2) system call sends such
          requests; name resolution does not require them.

          The request sends just the box name.

          The reply includes a null-terminated string with the set of
          names separated by white space (together with its length).
          The 0 is the off (offset) field used for other messages,
          but unused here.

          If the box has no inner boxes, it is not considered an
          error. Instead, a null string is replied.

     See also
          selectors(2).