Function mpi::ffi::MPI_Type_create_indexed_block

pub unsafe extern "C" fn MPI_Type_create_indexed_block(
    count: i32,
    blocklength: i32,
    array_of_displacements: *const i32,
    oldtype: *mut ompi_datatype_t,
    newtype: *mut *mut ompi_datatype_t
) -> i32