/* Test validutf8, convert to UCS-4, check the answer is right,
* convert back to UTF-8, check we got to where we started */
#define U8(CHARS, WORDS) do { \
/* Test validutf8, convert to UCS-4, check the answer is right,
* convert back to UTF-8, check we got to where we started */
#define U8(CHARS, WORDS) do { \