# define __OPENAT_ID(y) __OPENAT_XCONCAT (__OPENAT_PREFIX, y)
# define openat __OPENAT_ID (openat)
int openat (int fd, char const *file, int flags, /* mode_t mode */ ...);
-# define fdopendir __OPENAT_ID (fdopendir)
+# if ! HAVE_FDOPENDIR
+# define fdopendir __OPENAT_ID (fdopendir)
+# endif
DIR *fdopendir (int fd);
# define fstatat __OPENAT_ID (fstatat)
int fstatat (int fd, char const *file, struct stat *st, int flag);