Function mpi::ffi::PMPI_File_write_at_all_begin

pub unsafe extern fn PMPI_File_write_at_all_begin(fh: MPI_File,
                                                  offset: MPI_Offset,
                                                  buf: *const c_void,
                                                  count: c_int,
                                                  datatype: MPI_Datatype)
                                                  -> c_int