+// f77 wrappers
+void mpi_init__(int*);
+void mpi_finalize__(int*);
+void mpi_abort__(int* comm, int* errorcode, int* ierr);
+void mpi_comm_rank__(int* comm, int* rank, int* ierr);
+void mpi_comm_size__(int* comm, int* size, int* ierr);
+double mpi_wtime__(void);
+
+void mpi_comm_dup__(int* comm, int* newcomm, int* ierr);
+void mpi_comm_split__(int* comm, int* color, int* key, int* comm_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_send__(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_scatter__(void* sendbuf, int* sendcount, 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_allgather__(void* sendbuf, int* sendcount, int* sendtype,
+ void* recvbuf, int* recvcount, int* recvtype,
+ int* comm, 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);
+