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CLOSEDIR(3P) POSIX Programmer's Manual CLOSEDIR(3P)

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

closedir — close a directory stream

#include <dirent.h>
int closedir(DIR *dirp);

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.

Upon successful completion, closedir() shall return 0; otherwise, −1 shall be returned and errno set to indicate the error.

The closedir() function may fail if:
The dirp argument does not refer to an open directory stream.
The closedir() function was interrupted by a signal.

The following sections are informative.

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) {




dirfd(), fdopendir()

The Base Definitions volume of POSIX.1‐2008, <dirent.h>

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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 .

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2013 IEEE/The Open Group