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fgetwc (3)
  • fgetwc (3) ( Solaris man: Библиотечные вызовы )
  • fgetwc (3) ( FreeBSD man: Библиотечные вызовы )
  • fgetwc (3) ( Русские man: Библиотечные вызовы )
  • >> fgetwc (3) ( Linux man: Библиотечные вызовы )
  • fgetwc (3) ( POSIX man: Библиотечные вызовы )
  •  

    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 non-locking counterparts, see unlocked_stdio(3).  

    RETURN VALUE

    The fgetwc() function returns the next wide-character from the stream, or WEOF.  

    ERRORS

    Apart from the usual ones, there is
    EILSEQ
    The data obtained from the input stream does not form a valid character.
     

    CONFORMING TO

    C99, POSIX.1-2001.  

    NOTES

    The behavior of fgetwc() depends on the LC_CTYPE category of the current 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 3.14 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/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    CONFORMING TO
    NOTES
    SEE ALSO
    COLOPHON


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