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putwchar

From cppreference.com
< c‎ | io
 
 
File input/output
Types and objects
Functions
File access
Direct input/output
Unformatted input/output
(C95)(C95)
(C95)
(C95)(C95)
(C95)
putwchar
(C95)
(C95)
Formatted input
(C99)(C99)(C99)(C11)(C11)(C11)     
 
Defined in header <wchar.h>
wint_t putwchar( wchar_t ch );
(since C95)

Writes a wide character ch to stdout.

Contents

[edit] Parameters

ch - wide character to be written

[edit] Return value

ch on success, WEOF on failure.

[edit] Example

#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>
 
int main()
{
    setlocale(LC_ALL, "en_US.utf8");
 
    const wchar_t data[] =
    {
        L'\u2200', // Unicode name: "FOR ALL"
        L'∀',
        L'\n',
    };
 
    for (size_t t = 0; t != (sizeof data / sizeof(wchar_t)); ++t)
    {
        if (putwchar(data[t]) == WEOF)
        {
            puts("I/O error in putwchar");
            return EXIT_FAILURE;
        }
    }
 
    return EXIT_SUCCESS;
}

Possible output:

∀∀

[edit] References

  • C23 standard (ISO/IEC 9899:2023):
  • 7.31.3.9 The putwchar function (p: TBD)
  • C17 standard (ISO/IEC 9899:2018):
  • 7.29.3.9 The putwchar function (p: 310)
  • C11 standard (ISO/IEC 9899:2011):
  • 7.29.3.9 The putwchar function (p: 425)
  • C99 standard (ISO/IEC 9899:1999):
  • 7.24.3.9 The putwchar function (p: 370)

[edit] See also

writes a character to stdout
(function) [edit]
writes a wide character to a file stream
(function) [edit]
C++ documentation for putwchar