fclose(3) - phpMan

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

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 3.22 of the Linux man-pages project.  A description of
       the project, and information about reporting bugs, can be found at  http://www.ker-
       nel.org/doc/man-pages/.



GNU                               2009-02-23                         FCLOSE(3)

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