#include #include int main(int argc, char *argv[]) { struct lconv *x; char *lang; if (argc == 2) lang = argv[1]; else lang = "C"; setlocale(LC_NUMERIC, (const char *) lang); x = localeconv(); printf("decimal_point: %s\n", x->decimal_point); printf("thousands_sep: %s\n", x->thousands_sep); return 0; }