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RMDIR(2) System Calls Manual RMDIR(2)

rmdirremove a directory file

library “libc”

#include <unistd.h>

rmdir(const char *path);

rmdir() removes a directory file whose name is given by path. The directory must not have any entries other than ‘.’ and ‘..’.

A 0 is returned if the remove succeeds; otherwise a -1 is returned and an error code is stored in the global location errno.

The named file is removed unless:

A component of the path is not a directory.
A component of a pathname exceeded {NAME_MAX} characters, or an entire path name exceeded {PATH_MAX} characters.
The named directory does not exist.
Too many symbolic links were encountered in translating the pathname.
The named directory contains files other than ‘.’ and ‘..’ in it.
Search permission is denied for a component of the path prefix, or write permission is denied on the directory containing the link to be removed.
The directory containing the directory to be removed is marked sticky, and neither the containing directory nor the directory to be removed are owned by the effective user ID.
The directory to be removed is the mount point for a mounted file system.
An I/O error occurred while deleting the directory entry or deallocating the inode.
The directory entry to be removed resides on a read-only file system.
path points outside the process's allocated address space.

mkdir(2), unlink(2)

The rmdir() function conforms to IEEE Std 1003.1-1990 (“POSIX.1”).

The rmdir() function call appeared in 4.2BSD.

June 4, 1993 NetBSD-7.0.1