/*D
   MPI_Type_get_extent - Get the lower bound and extent for a Datatype

Synopsis:
.vb
int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint *lb, MPI_Aint *extent)
.ve
.vb
int MPI_Type_get_extent_c(MPI_Datatype datatype, MPI_Count *lb,
                          MPI_Count *extent)
.ve

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

Output Parameters:
+ lb - lower bound of datatype (integer)
- extent - extent 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*/

