pub unsafe extern "C" fn PMPI_Comm_create_errhandler(
function: MPI_Comm_errhandler_function,
errhandler: *mut MPI_Errhandler,
) -> c_int
pub unsafe extern "C" fn PMPI_Comm_create_errhandler(
function: MPI_Comm_errhandler_function,
errhandler: *mut MPI_Errhandler,
) -> c_int