int parse_format_specifier (struct fmt_spec *input, int allow_xt);
int parse_format_specifier_name (const char **cp, int allow_xt);
int check_input_specifier (const struct fmt_spec *spec);
int parse_format_specifier (struct fmt_spec *input, int allow_xt);
int parse_format_specifier_name (const char **cp, int allow_xt);
int check_input_specifier (const struct fmt_spec *spec);