* lib/closedir.c (closedir): Unregister fd if closedir() succeeds.
* lib/dirent.in.h (_gl_register_dirp_fd, _gl_unregister_dirp_fd):
Declare on kLIBC.
* lib/dirfd.c (struct dirp_fd_list): New. Structures to keep track of
fd associated with dirp.
(_gl_register_dirp_fd): New. Register fd associated w
* lib/closedir.c (closedir): Unregister fd if closedir() succeeds.
* lib/dirent.in.h (_gl_register_dirp_fd, _gl_unregister_dirp_fd):
Declare on kLIBC.
* lib/dirfd.c (struct dirp_fd_list): New. Structures to keep track of
fd associated with dirp.
(_gl_register_dirp_fd): New. Register fd associated w
