···2727/* If we're hosted, fall back to the system's stdatomic.h. FreeBSD, for
2828 * example, already has a Clang-compatible stdatomic.h header.
2929 */
3030-#if __STDC_HOSTED__ && __has_include_next(<stdatomic.h>)
3131-# include_next <stdatomic.h>
3030+#ifdef __STDC_NO_ATOMICS__
3131+3232#else
33333434#include <stddef.h>