const char *chars_spec2str(void *, const char *, size_t, size_t *);
int chars_spec2cp(void *, const char *, size_t);
const char *chars_res2str(void *, const char *, size_t, size_t *);
const char *chars_spec2str(void *, const char *, size_t, size_t *);
int chars_spec2cp(void *, const char *, size_t);
const char *chars_res2str(void *, const char *, size_t, size_t *);