#include <stdio.h>
#include <stdlib.h>


int
main(int argc, char *argv[])
{
	wchar_t w[10];
	char c[10];
	int i;
	int lose = 0;

	i = mbstowcs(w, "bar", 4);
	if (!(i == 3 && w[1] == 'a')) {
		puts("mbstowcs FAILED!");
		lose = 1;
	}

	mbstowcs(w, "blah", 5);
	i = wcstombs(c, w, 10);
	if (i != 4) {
		puts("wcstombs FAILED!");
		lose = 1;
	}

	if (mblen("foobar", 7) != 1) {
		puts("mblen 1 FAILED!");
		lose = 1;
	}

	if (mblen("", 1) != 0) {
		puts("mblen 2 FAILED!");
		lose = 1;
	}

	{
		int r;
		char c = 'x';
		wchar_t wc;
		char mbc[MB_CUR_MAX];

		if ((r = mbtowc(&wc, &c, MB_CUR_MAX)) <= 0) {
			printf("conversion to wide failed, result: %d\n", r);
			lose = 1;
		} else {
			printf("wide value: 0x%04lx\n", (unsigned long) wc);
			mbc[0] = '\0';
			if ((r = wctomb(mbc, wc)) <= 0) {
				printf("conversion to multibyte failed, result: %d\n", r);
				lose = 1;
			}
		}

	}

	puts(lose ? "Test FAILED!" : "Test succeeded.");
	return lose;
}