fclose - phpMan

FCLOSE(3)                  Linux Programmer’s Manual                 FCLOSE(3)



NAME
       fclose - close a stream

SYNOPSIS
       #include <stdio.h>

       int fclose(FILE *stream);

DESCRIPTION
       The fclose function dissociates the named stream from its underlying file or set of
       functions.  If the stream was being used for output, any buffered data  is  written
       first, using fflush(3).

RETURN VALUE
       Upon  successful  completion  0  is  returned.   Otherwise, EOF is returned and the
       global variable errno is set to indicate the error.  In  either  case  any  further
       access  (including  another  call  to  fclose()) to the stream results in undefined
       behaviour.

ERRORS
       EBADF  The filedescriptor underlying stream is not valid.

       The fclose function may also fail and set errno for any of the errors specified for
       the routines close(2), write(2) or fflush(3).

NOTES
       Note  that fclose only flushes the user space buffers provided by the C library. To
       ensure that the data is physically stored  on  disk  the  kernel  buffers  must  be
       flushed too, e.g. with sync(2) or fsync(2).

CONFORMING TO
       The fclose function conforms to ANSI X3.159-1989 (‘‘ANSI C’’).

SEE ALSO
       close(2), fcloseall(3), fflush(3), fopen(3), setbuf(3)



BSD MANPAGE                       1993-11-29                         FCLOSE(3)

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