MPI_CALL(XBT_PUBLIC(int), MPI_Get_elements, (MPI_Status* status, MPI_Datatype datatype, int* elements));
MPI_CALL(XBT_PUBLIC(int), MPI_Dims_create, (int nnodes, int ndims, int* dims));
MPI_CALL(XBT_PUBLIC(int), MPI_Initialized, (int* flag));
MPI_CALL(XBT_PUBLIC(int), MPI_Get_elements, (MPI_Status* status, MPI_Datatype datatype, int* elements));
MPI_CALL(XBT_PUBLIC(int), MPI_Dims_create, (int nnodes, int ndims, int* dims));
MPI_CALL(XBT_PUBLIC(int), MPI_Initialized, (int* flag));