Provided by: manpages-posix-dev_2.16-1_all 
NAME
closedir - close a directory stream
SYNOPSIS
#include <dirent.h> int closedir(DIR *dirp);
DESCRIPTION
The closedir() function shall close the directory stream referred to by the argument dirp. Upon return,
the value of dirp may no longer point to an accessible object of the type DIR. If a file descriptor is
used to implement type DIR, that file descriptor shall be closed.
RETURN VALUE
Upon successful completion, closedir() shall return 0; otherwise, -1 shall be returned and errno set to
indicate the error.
ERRORS
The closedir() function may fail if:
EBADF The dirp argument does not refer to an open directory stream.
EINTR The closedir() function was interrupted by a signal.
The following sections are informative.
EXAMPLES
Closing a Directory Stream
The following program fragment demonstrates how the closedir() function is used.
...
DIR *dir;
struct dirent *dp;
...
if ((dir = opendir (".")) == NULL) {
...
}
while ((dp = readdir (dir)) != NULL) {
...
}
closedir(dir);
...
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
opendir() , the Base Definitions volume of IEEE Std 1003.1-2001, <dirent.h>
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition,
Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers,
Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The
original Standard can be obtained online at http://www.opengroup.org/unix/online.html .