pub unsafe extern "C" fn seqtm(
seq: *const c_char,
dna_conc: f64,
salt_conc: f64,
divalent_conc: f64,
dntp_conc: f64,
dmso_conc: f64,
dmso_fact: f64,
formamide_conc: f64,
nn_max_len: c_int,
tm_method: tm_method_type,
salt_corrections: salt_correction_type,
annealing_temp: f64,
) -> tm_ret