zio_get_io_root

INTERFACE:

         integer function zio_get_io_root(iocomm,io_root)

DESCRIPTION:

Returns the process rank in zio_comm for process 0 in I/O staging communicator object iocomm.

REVISION HISTORY:

       2003-Aug-13 -- created

USES:

         implicit none

INPUT PARAMETERS:

         integer, intent(in) :: iocomm

OUTPUT PARAMETERS:

         integer, intent(out) :: io_root

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