/*D
   MPI_Type_get_true_extent_x - Get the true lower bound and extent as MPI_Count values for a datatype

Synopsis:
.vb
int MPI_Type_get_true_extent_x(MPI_Datatype datatype, MPI_Count *true_lb,
                               MPI_Count *true_extent)
.ve

Input Parameters:
. datatype - datatype to get information on (handle)

Output Parameters:
+ true_lb - true lower bound of datatype (integer)
- true_extent - true size of datatype (integer)

.N ThreadSafe

.N Fortran

.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N MPI_ERR_TYPE
.N MPI_ERR_OTHER

D*/

