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std:: putwchar

From cppreference.net
< cpp ‎ | io ‎ | c
C++
Input/output library
C-style I/O
Defined in header <cwchar>
std:: wint_t putwchar ( wchar_t ch ) ;

Writes a wide character ch to stdout .

Contents

Parameters

ch - wide character to be written

Return value

ch on success, WEOF on failure.

Example

Run this code 
#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'∀',
        L'\n'
        })
        if (std::putwchar(ch) == WEOF)
        {
            std::puts("I/O error in std::putwchar");
            return EXIT_FAILURE;
        }
    return EXIT_SUCCESS;
}

Possible output: 

∀∀

See also

writes a character to stdout
(function)
writes a wide character to a file stream
(function)
C documentation for putwchar