chdir, fchdir - change working directory


       #include <unistd.h>

       int chdir(const char *path);
       int fchdir(int fd);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

           || /* Since glibc 2.12: */ _POSIX_C_SOURCE >= 200809L


       chdir() changes the current working directory of the calling process to the directory specified in path.

       fchdir() is identical to chdir(); the only difference is that the directory is given as an open file descriptor.

return value

       On success, zero is returned.  On error, -1 is returned, and errno is set appropriately.


       Depending on the filesystem, other errors can be returned.  The more general errors for chdir() are listed below:

       EACCES Search permission is denied for one of the components of path.  (See also path_resolution(7).)

       EFAULT path points outside your accessible address space.

       EIO    An I/O error occurred.

       ELOOP  Too many symbolic links were encountered in resolving path.

              path is too long.

       ENOENT The file does not exist.

       ENOMEM Insufficient kernel memory was available.

              A component of path is not a directory.

       The general errors for fchdir() are listed below:

       EACCES Search permission was denied on the directory open on fd.

       EBADF  fd is not a valid file descriptor.

conforming to

       SVr4, 4.4BSD, POSIX.1-2001.


       The current working directory is the starting point for interpreting relative pathnames (those not starting with '/').

       A child process created via fork(2) inherits its parent's current working directory.  The current working directory is left unchanged by execve(2).

see also

       chroot(2), getcwd(3), path_resolution(7)


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