PUTWCHARSection: Linux Programmer's Manual (3)
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NAMEputwchar - write a wide character to standard output
#include <wchar.h> wint_t putwchar(wchar_t wc);
DESCRIPTIONThe 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 non-locking counterpart, see unlocked_stdio(3).
RETURN VALUEThe putwchar() function returns wc if no error occurred, or WEOF to indicate an error.
NOTESThe behavior of putwchar() depends on the LC_CTYPE category of the current locale.
SEE ALSOfputwc(3), unlocked_stdio(3)
COLOPHONThis page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.