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

    NAME

    clearerr, feof, ferror, fileno - check and reset stream status
     
    

    SYNOPSIS

    #include <stdio.h>

    void clearerr(FILE *stream);

    int feof(FILE *stream);

    int ferror(FILE *stream);

    int fileno(FILE *stream);

    Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

    fileno(): _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE  

    DESCRIPTION

    The function clearerr() clears the end-of-file and error indicators for the stream pointed to by stream.

    The function feof() tests the end-of-file indicator for the stream pointed to by stream, returning non-zero if it is set. The end-of-file indicator can only be cleared by the function clearerr().

    The function ferror() tests the error indicator for the stream pointed to by stream, returning non-zero if it is set. The error indicator can only be reset by the clearerr() function.

    The function fileno() examines the argument stream and returns its integer descriptor.

    For non-locking counterparts, see unlocked_stdio(3).  

    ERRORS

    These functions should not fail and do not set the external variable errno. (However, in case fileno() detects that its argument is not a valid stream, it must return -1 and set errno to EBADF.)  

    CONFORMING TO

    The functions clearerr(), feof(), and ferror() conform to C89 and C99.  

    SEE ALSO

    open(2), fdopen(3), stdio(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
    ERRORS
    CONFORMING TO
    SEE ALSO
    COLOPHON


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