#define MPI_UNEQUAL 2
#define MPI_CONGRUENT 3
#define MPI_WTIME_IS_GLOBAL 1
+#define MPI_TAG_UB 1000000
+#define MPI_HOST 0
+#define MPI_IO 0
+
typedef ptrdiff_t MPI_Aint;
typedef long long MPI_Offset;
MPI_CALL(XBT_PUBLIC(int), MPI_Buffer_detach, (void* buffer, int* size));
MPI_CALL(XBT_PUBLIC(int), MPI_Testsome, (int incount, MPI_Request* requests, int* outcount, int* indices, MPI_Status* statuses));
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_Ssend, (void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm));
MPI_CALL(XBT_PUBLIC(int), MPI_Ssend_init, (void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request));