_kern_setcwd
extern status_t _kern_setcwd(int fd, const char *path);
_kern_setcwd(-1, "/");
RETURN_AND_SET_ERRNO(_kern_setcwd(AT_FDCWD, path));
RETURN_AND_SET_ERRNO(_kern_setcwd(fd, NULL));
error = _kern_setcwd(-1, "/");
_kern_setcwd(-1, "/"); // avoid a "busy" vnode
error = _kern_setcwd(-1, directory);
_kern_setcwd(-1, "/");
error = _kern_setcwd(-1, "/");
fssh_status_t _kern_setcwd(int fd, const char *path);