Function pg_async::pq::PQescapeByteaConn

pub unsafe extern "C" fn PQescapeByteaConn(
    conn: *const PGconn,
    from: *const u8,
    from_length: size_t,
    to_length: *mut size_t
) -> *mut u8

https://www.postgresql.org/docs/9.4/static/libpq-exec.html#LIBPQ-PQESCAPEBYTEACONN