MPI_CALL(XBT_PUBLIC(MPI_Fint), MPI_Win_c2f,(MPI_Win win));
MPI_CALL(XBT_PUBLIC(MPI_Op), MPI_Op_f2c,(MPI_Fint op));
MPI_CALL(XBT_PUBLIC(MPI_Fint), MPI_Op_c2f,(MPI_Op op));
-
+MPI_CALL(XBT_PUBLIC(MPI_Comm), MPI_Comm_f2c,(MPI_Fint comm));
+MPI_CALL(XBT_PUBLIC(MPI_Fint), MPI_Comm_c2f,(MPI_Comm comm));
//FIXME: these are not yet implemented