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std::fputwc(3) C++ Standard Libary std::fputwc(3) NAME std::fputwc - std::fputwc Synopsis Defined in header <cwchar> std::wint_t fputwc( wchar_t ch, std::FILE* stream ); (1) std::wint_t putwc( wchar_t ch, std::FILE* stream ); (2) Writes a wide character ch to the given output stream stream. 2) May be implemented as a macro and may evaluate stream more than once. Parameters ch - wide character to be written stream - the output stream Return value ch on success, WEOF on failure. If an encoding error occurs, errno is set to EILSEQ. Example // Run this code #include <cerrno> #include <clocale> #include <cstdio> #include <cstdlib> #include <cwchar> #include <initializer_list> int main() { std::setlocale(LC_ALL, "en_US.utf8"); for (const wchar_t ch : { L'\u2200', // Unicode name: "FOR ALL" L'\n', L'', }) { if (errno = 0; std::fputwc(ch, stdout) == WEOF) { std::puts(errno == EILSEQ ? "Encoding error in fputwc" : "I/O error in fputwc" ); return EXIT_FAILURE; } } return EXIT_SUCCESS; } Possible output: See also fputc writes a character to a file stream putc (function) fputws writes a wide string to a file stream (function) fgetwc gets a wide character from a file stream getwc (function) C documentation for fputwc http://cppreference.com 2024.06.10 std::fputwc(3)
NAME | Synopsis | Parameters | Return value | Example | Possible output: | See also
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