Function mpi::ffi::PMPI_Unpack_external

pub unsafe extern fn PMPI_Unpack_external(datarep: *const c_char,
                                          inbuf: *const c_void,
                                          insize: MPI_Aint,
                                          position: *mut MPI_Aint,
                                          outbuf: *mut c_void,
                                          outcount: c_int,
                                          datatype: MPI_Datatype)
                                          -> c_int