Linux 2.6 - man page for putwchar (linux section 3)
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PUTWCHAR(3) Linux Programmer's Manual PUTWCHAR(3)
putwchar - write a wide character to standard output
wint_t putwchar(wchar_t wc);
The putwchar() function is the wide-character equivalent of the putchar(3) function. It
writes the wide character wc to stdout. If ferror(stdout) becomes true, it returns WEOF.
If a wide character conversion error occurs, it sets errno to EILSEQ and returns WEOF.
Otherwise it returns wc.
For a nonlocking counterpart, see unlocked_stdio(3).
The putwchar() function returns wc if no error occurred, or WEOF to indicate an error.
The behavior of putwchar() depends on the LC_CTYPE category of the current locale.
It is reasonable to expect that putwchar() will actually write the multibyte sequence cor-
responding to the wide character wc.
This page is part of release 3.55 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
GNU 1999-07-25 PUTWCHAR(3)
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