/*D
   MPI_Comm_test_inter - Tests to see if a comm is an inter-communicator

Synopsis:
.vb
int MPI_Comm_test_inter(MPI_Comm comm, int *flag)
.ve

Input Parameters:
. comm - communicator (handle)

Output Parameters:
. flag - true if comm is an inter-communicator (logical)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_COMM
.N MPI_ERR_OTHER

D*/

