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[[!tag open_issue_glibc open_issue_hurd]]

`faccessat()` fails on some cases; in particular when:

* flags does not have `AT_EACCESS`
* dirfd is not `AT_FDCWD`
* pathname is not an absolute path

In such case, it will return -1 setting `ENOTSUP` as errno.

[[faccessat.c]]