FGETWC(3)		   Linux Programmer's Manual		     FGETWC(3)



NAME
       fgetwc, getwc - read a wide character from a FILE stream

SYNOPSIS
       #include <stdio.h>
       #include <wchar.h>

       wint_t fgetwc(FILE *stream);
       wint_t getwc(FILE *stream);

DESCRIPTION
       The  fgetwc() function is the wide-character equivalent of the fgetc(3)
       function.  It reads a wide character from stream and  returns  it.   If
       the  end	 of  stream  is reached, or if ferror(stream) becomes true, it
       returns WEOF.  If a wide-character conversion  error  occurs,  it  sets
       errno to EILSEQ and returns WEOF.

       The  getwc()  function  or macro functions identically to fgetwc().  It
       may be implemented as a macro, and may evaluate its argument more  than
       once.  There is no reason ever to use it.

       For nonlocking counterparts, see unlocked_stdio(3).

RETURN VALUE
       The  fgetwc() function returns the next wide-character from the stream,
       or WEOF.	 In the event of an error, errno is set to indicate the cause.

ERRORS
       Apart from the usual ones, there is

       EILSEQ The data obtained from the input stream does not	form  a	 valid
	      character.

ATTRIBUTES
       For   an	  explanation	of   the  terms	 used  in  this	 section,  see
       attributes(7).

       +------------------+---------------+---------+
       |Interface	  | Attribute	  | Value   |
       +------------------+---------------+---------+
       |fgetwc(), getwc() | Thread safety | MT-Safe |
       +------------------+---------------+---------+
CONFORMING TO
       POSIX.1-2001, POSIX.1-2008, C99.

NOTES
       The behavior of fgetwc() depends on the LC_CTYPE category of  the  cur-
       rent locale.

       In  the	absence of additional information passed to the fopen(3) call,
       it is reasonable to expect that fgetwc() will actually read a multibyte
       sequence from the stream and then convert it to a wide character.

SEE ALSO
       fgetws(3), fputwc(3), ungetwc(3), unlocked_stdio(3)

COLOPHON
       This  page  is  part of release 4.10 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest	  version     of     this    page,    can    be	   found    at
       https://www.kernel.org/doc/man-pages/.



GNU				  2015-08-08			     FGETWC(3)