putwchar
wint_t putwchar(wchar_t);
if (putwchar(ch) == WEOF) \
# define CUT_PUTCHAR putwchar
(void)putwchar(L'\n');
(void)putwchar(L' ');
(void)putwchar(cp[i]);
(void)putwchar(L'\n');
(void)putwchar(L'\n');
(void)putwchar(L'\t');
(void)putwchar(L' ');
(void)putwchar(*cp++);
(void)putwchar(L'\n');
putwchar(buf[i]);
putwchar(L'\n');
putwchar(buf[i]);
putwchar(buf[i]);
putwchar('\n');
putwchar(buf[i]);
putwchar(*t);
putwchar(L'\n');