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Change the working directory
#include <unistd.h>
int fchdir(int fd);
- var
- A file descriptor for the directory that you want to become the
current working directory.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The fchdir() function is similar to
chdir(),
except that you use a file descriptor to specify the directory that you
want to become the new current working directory.
You can obtain a file descriptor for a directory by calling
open(),
provided that the file status flags and access modes don't contain
O_WRONLY or O_RDWR.
0, or -1 if an error occurred
(errno is set).
If the function fails, the current working directory isn't changed.
- EACCES
- Search permission is denied for the directory referenced by fd.
- EBADF
- The fd argument isn't an open file descriptor.
- ENOTDIR
- The open file descriptor fd doesn't refer to a directory.
- EINTR
- A signal was caught during the execution of fchdir().
- EIO
- An I/O error occurred while reading from or writing to the filesystem.
POSIX 1003.1 XSI
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
chdir(),
errno,
getcwd(),
mkdir(),
rmdir()
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