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fclose

close a stream


  1. fclose.3.man


1. fclose.3.man

Manpage of FCLOSE

FCLOSE

Section: Linux Programmer's Manual (3)
Updated: 2009-02-23
Index Return to Main Contents
 

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 3.32 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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Time: 17:30:53 GMT, October 23, 2013

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