putwchar
From cppreference.com
C
Concurrency support (C11)
File input/output
Types and objects
Functions
File access
Unformatted input/output
(C95)(C95)
(C95)
(C95)(C95)
(C95)
(C95)
putwchar
(C95)
(C95)
Formatted input
(C11)(C11)(C11)
(C95)(C95)(C95)(C11)(C11)(C11)
(C99)(C99)(C99)(C11)(C11)(C11)
(C99)(C99)(C99)(C11)(C11)(C11)
Direct input/output
Formatted output
(C99)(C11)(C11)(C11)(C11)
(C95)(C95)(C95)(C11)(C11)(C11)(C11)
(C99)(C11)(C11)(C11)(C11)
(C95)(C95)(C95)(C11)(C11)(C11)(C11)
File positioning
Error handling
Operations on files
(C11)
(C11)
Defined in header
<wchar.h>
wint_t putwchar( wchar_t ch );
(since C95)
Writes a wide character ch to stdout.
[edit] Parameters
ch
-
wide character to be written
[edit] Return value
ch on success, WEOF on failure.
[edit] Example
Run this code
#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 9899:2024):
- 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
C++ documentation for putwchar