void fmt_number_style_destroy (struct fmt_number_style *);
int fmt_affix_width (const struct fmt_number_style *);
int fmt_neg_affix_width (const struct fmt_number_style *);
void fmt_number_style_destroy (struct fmt_number_style *);
int fmt_affix_width (const struct fmt_number_style *);
int fmt_neg_affix_width (const struct fmt_number_style *);