fputwc(3) Library Functions Manual fputwc(3) fputwc, putwc - FILE (libc -lc) #include #include wint_t fputwc(wchar_t wc, FILE *stream); wint_t putwc(wchar_t wc, FILE *stream); fputwc() fputc(3). wc stream. ferror(stream) WEOF. errno EILSEQ WEOF. wc. putwc() fputwc(). . . unlocked_stdio(3). fputwc() wc. WEOF errno . EILSEQ wc . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |fputwc(), | | MT-Safe | |putwc() | | | +------------+------------------------------------+--------------------+ C11, POSIX.1-2008. C99 POSIX.1-2001. fputwc() LC_CTYPE . fopen(3) fputwc() wc. fgetwc(3) fputws(3) unlocked_stdio(3) 3 . . : . 6.18 8 2026 fputwc(3)