lconv | Programming Place Plus　Ｃ言語編　標準ライブラリのリファレンス

struct lconv {
    char *decimal_point;
    char *thousands_sep;
    char *grouping;
    char *int_curr_symbol;
    char *currency_symbol;
    char *mon_decimal_point;
    char *mon_thousands_sep;
    char *mon_grouping;
    char *positive_sign;
    char *negative_sign;
    char int_frac_digits;
    char frac_digits;
    char p_cs_precedes;
    char p_sep_by_space;
    char n_cs_precedes;
    char n_sep_by_space;
    char p_sign_posn;
    char n_sign_posn;
};
    

#include <stdio.h>
#include <locale.h>

static void print_lconv();

int main(void)
{
    setlocale(LC_ALL, "");
    print_lconv();

    setlocale(LC_ALL, "spanish");
    print_lconv();
}

void print_lconv()
{
    const struct lconv* lc = localeconv();

    printf("--- %s ---\n", setlocale(LC_ALL, NULL));

    printf("decimal_point == %s\n", lc->decimal_point);
    printf("thousands_sep == %s\n", lc->thousands_sep);
    printf("grouping == %s\n", lc->grouping);
    printf("int_curr_symbol == %s\n", lc->int_curr_symbol);
    printf("currency_symbol == %s\n", lc->currency_symbol);
    printf("mon_decimal_point == %s\n", lc->mon_decimal_point);
    printf("mon_thousands_sep == %s\n", lc->mon_thousands_sep);
    printf("mon_grouping == %s\n", lc->mon_grouping);
    printf("positive_sign == %s\n", lc->positive_sign);
    printf("negative_sign == %s\n", lc->negative_sign);
    printf("int_frac_digits == %c\n", lc->int_frac_digits);
    printf("frac_digits == %c\n", lc->frac_digits);
    printf("p_cs_precedes == %c\n", lc->p_cs_precedes);
    printf("p_sep_by_space == %c\n", lc->p_sep_by_space);
    printf("n_cs_precedes == %c\n", lc->n_cs_precedes);
    printf("n_sep_by_space == %c\n", lc->n_sep_by_space);
    printf("p_sign_posn == %c\n", lc->p_sign_posn);
    printf("n_sign_posn == %c\n", lc->n_sign_posn);

    printf("\n\n");
}