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std::putwchar

Defined in header <cwchar> 
std::wint_t putwchar( wchar_t ch );

Writes a wide character ch to stdout.

Parameters

ch - wide character to be written

Return value

ch on success, WEOF on failure.

Example

#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

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