levenshtein.hon commit builtin/apply: move 'unidiff_zero' global into 'struct apply_state' (1da16e1)
   1#ifndef LEVENSHTEIN_H
   2#define LEVENSHTEIN_H
   3
   4int levenshtein(const char *string1, const char *string2,
   5        int swap_penalty, int substitution_penalty,
   6        int insertion_penalty, int deletion_penalty);
   7
   8#endif