MPI_CALL(XBT_PUBLIC(int), MPI_Comm_test_inter, (MPI_Comm comm, int* flag));
MPI_CALL(XBT_PUBLIC(int), MPI_Comm_get_attr, (MPI_Comm comm, int comm_keyval, void *attribute_val, int *flag));
MPI_CALL(XBT_PUBLIC(int), MPI_Unpack, (void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Datatype type, MPI_Comm comm));
MPI_CALL(XBT_PUBLIC(int), MPI_Comm_test_inter, (MPI_Comm comm, int* flag));
MPI_CALL(XBT_PUBLIC(int), MPI_Comm_get_attr, (MPI_Comm comm, int comm_keyval, void *attribute_val, int *flag));
MPI_CALL(XBT_PUBLIC(int), MPI_Unpack, (void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Datatype type, MPI_Comm comm));