parse_encoding
t = parse_encoding(first + 2, last, db);
t = parse_encoding(first + 4, last, db);
t = parse_encoding(first + 3, last, db);
t1 = parse_encoding(t, last, db);
t1 = parse_encoding(t, last, db);
t = parse_encoding(first + 1, last, db);
static const char *parse_encoding(const char *, const char *, cpp_db_t *);
t = parse_encoding(first + 2, last, db);