fclose man page on ElementaryOS

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

NAME
       fclose - close a stream

SYNOPSIS
       #include <stdio.h>

       int fclose(FILE *fp);

DESCRIPTION
       The  fclose() function flushes the stream pointed to by fp (writing any
       buffered output data using fflush(3)) and closes	 the  underlying  file
       descriptor.

       The  behaviour  of  fclose() is undefined if the stream parameter is an
       illegal pointer, or is a descriptor already passed to a previous	 invo‐
       cation of fclose().

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

ERRORS
       EBADF  The file descriptor underlying fp 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).

CONFORMING TO
       C89, C99.

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,	 for  example, with sync(2) or
       fsync(2).

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

COLOPHON
       This page is part of release 3.54 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/.

GNU				  2009-02-23			     FCLOSE(3)
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