int fmt_var_width (const struct fmt_spec *);
char *fmt_to_string (const struct fmt_spec *, char s[FMT_STRING_LEN_MAX + 1]);
bool fmt_equal (const struct fmt_spec *, const struct fmt_spec *);
int fmt_var_width (const struct fmt_spec *);
char *fmt_to_string (const struct fmt_spec *, char s[FMT_STRING_LEN_MAX + 1]);
bool fmt_equal (const struct fmt_spec *, const struct fmt_spec *);