#include <stdio.h>
#include <poll.h>
#include <locale.h>
#include <wchar.h>
#include <unistd.h>

int main()
{
	setlocale(LC_CTYPE, "");
	int p[2];
	pipe(p);
	write(p[1], "x\340\240xxx", 3);
	close(p[1]);
	dup2(p[0], 0);
	wchar_t buf[100] = {0};
	wchar_t *ws = fgetws(buf, 100, stdin);
	printf("%p [%ls]\n", ws, buf);
}