fputwc function — Writes a wide character
wint_t fputwc(wchar_t wc, FILE* stream)
The fputwc function writes a wide character, wc, to stream. It returns wc, or WEOF for an error.
fputwc
wc
stream
WEOF
fgetwc function, putwc macro, fputc in <cstdio>
fputc
<cstdio>