Writes a wide character to the standard output (stdout) and
    returns the character.

    Format

      #include  <wchar.h>

      wint_t putwchar  (wint_t wc);

1 - Arguments

 wc

    An object of type wint_t.

2 - Description

    The putwchar function is identical to fputwc(wc, stdout).

3 - Return Values

    x                  The character written to the file. Indicates
                       success.
    WEOF               Indicates an output error. The function sets
                       errno. For a list of the errno values set by
                       this function, see fputwc.