+double mpi_wtick__(void);
+void mpi_initialized__(int* flag, int* ierr);
+
+void mpi_comm_dup__(int* comm, int* newcomm, int* ierr);
+void mpi_comm_create__(int* comm, int* group, int* newcomm, int* ierr);
+void mpi_comm_free__(int* comm, int* ierr);
+void mpi_comm_split__(int* comm, int* color, int* key, int* comm_out, int* ierr);
+void mpi_group_incl__(int* group, int* n, int* key, int* group_out, int* ierr) ;
+void mpi_comm_group__(int* comm, int* group_out, int* ierr);
+void mpi_send_init__(void *buf, int* count, int* datatype, int* dst, int* tag,
+ int* comm, int* request, int* ierr);
+void mpi_isend__(void *buf, int* count, int* datatype, int* dst,
+ int* tag, int* comm, int* request, int* ierr);
+void mpi_irsend__(void *buf, int* count, int* datatype, int* dst,
+ int* tag, int* comm, int* request, int* ierr);
+void mpi_send__(void* buf, int* count, int* datatype, int* dst,
+ int* tag, int* comm, int* ierr);
+void mpi_rsend__(void* buf, int* count, int* datatype, int* dst,
+ int* tag, int* comm, int* ierr);
+void mpi_recv_init__(void *buf, int* count, int* datatype, int* src, int* tag,
+ int* comm, int* request, int* ierr);
+void mpi_irecv__(void *buf, int* count, int* datatype, int* src, int* tag,
+ int* comm, int* request, int* ierr);
+void mpi_recv__(void* buf, int* count, int* datatype, int* src,
+ int* tag, int* comm, MPI_Status* status, int* ierr);
+void mpi_start__(int* request, int* ierr);
+void mpi_startall__(int* count, int* requests, int* ierr);
+void mpi_wait__(int* request, MPI_Status* status, int* ierr);
+void mpi_waitany__(int* count, int* requests, int* index, MPI_Status* status, int* ierr);
+void mpi_waitall__(int* count, int* requests, MPI_Status* status, int* ierr);
+
+void mpi_barrier__(int* comm, int* ierr);
+void mpi_bcast__(void* buf, int* count, int* datatype, int* root, int* comm, int* ierr);
+void mpi_reduce__(void* sendbuf, void* recvbuf, int* count,
+ int* datatype, int* op, int* root, int* comm, int* ierr);
+void mpi_allreduce__(void* sendbuf, void* recvbuf, int* count, int* datatype,
+ int* op, int* comm, int* ierr);
+void mpi_reduce_scatter__(void* sendbuf, void* recvbuf, int* recvcounts, int* datatype,
+ int* op, int* comm, int* ierr) ;
+void mpi_scatter__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcount, int* recvtype,
+ int* root, int* comm, int* ierr);
+void mpi_scatterv__(void* sendbuf, int* sendcounts, int* displs, int* sendtype,
+ void* recvbuf, int* recvcount, int* recvtype,
+ int* root, int* comm, int* ierr);
+void mpi_gather__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcount, int* recvtype,
+ int* root, int* comm, int* ierr);
+void mpi_gatherv__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcounts, int* displs, int* recvtype,
+ int* root, int* comm, int* ierr);
+void mpi_allgather__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcount, int* recvtype,
+ int* comm, int* ierr);
+void mpi_allgatherv__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcount,int* displs, int* recvtype,
+ int* comm, int* ierr) ;
+void mpi_type_size__(int* datatype, int *size, int* ierr);
+
+void mpi_scan__(void* sendbuf, void* recvbuf, int* count, int* datatype,
+ int* op, int* comm, int* ierr);
+void mpi_alltoall__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcount, int* recvtype, int* comm, int* ierr);
+void mpi_alltoallv__(void* sendbuf, int* sendcounts, int* senddisps, int* sendtype,
+ void* recvbuf, int* recvcounts, int* recvdisps, int* recvtype, int* comm, int* ierr);
+void mpi_get_processor_name__(char *name, int *resultlen, int* ierr);
+void mpi_test__ (int * request, int *flag, MPI_Status * status, int* ierr);
+void mpi_testall__ (int* count, int * requests, int *flag, MPI_Status * statuses, int* ierr);
+void mpi_get_count__(MPI_Status * status, int* datatype, int *count, int* ierr);
+void mpi_type_extent__(int* datatype, MPI_Aint * extent, int* ierr);
+void mpi_attr_get__(int* comm, int* keyval, void* attr_value, int* flag, int* ierr );
+void mpi_type_commit__(int* datatype, int* ierr);
+void mpi_type_vector__(int* count, int* blocklen, int* stride, int* old_type, int* newtype, int* ierr);
+void mpi_type_create_vector__(int* count, int* blocklen, int* stride, int* old_type, int* newtype, int* ierr);
+void mpi_type_hvector__(int* count, int* blocklen, MPI_Aint* stride, int* old_type, int* newtype, int* ierr);
+void mpi_type_create_hvector__(int* count, int* blocklen, MPI_Aint* stride, int* old_type, int* newtype, int* ierr);
+void mpi_type_free__(int* datatype, int* ierr);
+void mpi_type_lb__(int* datatype, MPI_Aint * extent, int* ierr);
+void mpi_type_ub__(int* datatype, MPI_Aint * extent, int* ierr);
+void mpi_win_fence__( int* assert, int* win, int* ierr);
+void mpi_win_free__( int* win, int* ierr);
+void mpi_win_create__( int *base, MPI_Aint* size, int* disp_unit, int* info, int* comm, int *win, int* ierr);
+void mpi_info_create__( int *info, int* ierr);
+void mpi_info_set__( int *info, char *key, char *value, int* ierr);
+void mpi_info_free__(int* info, int* ierr);
+void mpi_get__( int *origin_addr, int* origin_count, int* origin_datatype, int* target_rank,
+ MPI_Aint* target_disp, int* target_count, int* target_datatype, int* win, int* ierr);
+void mpi_error_string__(int* errorcode, char* string, int* resultlen, int* ierr);
+void mpi_sendrecv__(void* sendbuf, int* sendcount, int* sendtype, int* dst,
+ int* sendtag, void *recvbuf, int* recvcount,
+ int* recvtype, int* src, int* recvtag,
+ int* comm, MPI_Status* status, int* ierr);