1FPUTWC(3)                  Linux Programmer's Manual                 FPUTWC(3)
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NAME

6       fputwc, putwc - write a wide character to a FILE stream
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SYNOPSIS

9       #include <stdio.h>
10       #include <wchar.h>
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12       wint_t fputwc(wchar_t wc, FILE *stream);
13       wint_t putwc(wchar_t wc, FILE *stream);
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DESCRIPTION

16       The  fputwc() function is the wide-character equivalent of the fputc(3)
17       function.  It  writes  the  wide  character  wc  to  stream.   If  fer‐
18       ror(stream) becomes true, it returns WEOF.  If a wide-character conver‐
19       sion error occurs, it sets errno to EILSEQ and returns WEOF.  Otherwise
20       it returns wc.
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22       The  putwc()  function  or macro functions identically to fputwc().  It
23       may be implemented as a macro, and may evaluate its argument more  than
24       once.  There is no reason ever to use it.
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26       For nonlocking counterparts, see unlocked_stdio(3).
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RETURN VALUE

29       The fputwc() function returns wc if no error occurred, or WEOF to indi‐
30       cate an error.
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ERRORS

33       Apart from the usual ones, there is
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35       EILSEQ Conversion of wc to the stream's encoding fails.
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CONFORMING TO

38       C99, POSIX.1-2001.
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NOTES

41       The behavior of fputwc() depends on the LC_CTYPE category of  the  cur‐
42       rent locale.
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44       In  the  absence of additional information passed to the fopen(3) call,
45       it is reasonable to expect that fputwc() will actually write the multi‐
46       byte sequence corresponding to the wide character wc.
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SEE ALSO

49       fgetwc(3), fputws(3), unlocked_stdio(3)
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COLOPHON

52       This  page  is  part of release 3.25 of the Linux man-pages project.  A
53       description of the project, and information about reporting  bugs,  can
54       be found at http://www.kernel.org/doc/man-pages/.
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58GNU                               1999-07-25                         FPUTWC(3)
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