std::fputwc
From cppreference.com
| 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
| writes a character to a file stream (function) | |
| writes a wide string to a file stream (function) | |
| gets a wide character from a file stream (function) | |
C documentation for fputwc
| |
