1 __fswab16
   2 __fswab32
   3 __fswab64
   4 __builtin_bswap16
   5 __builtin_bswap32
   6 __builtin_bswap64
   7 __arch_hweight8
   8 __arch_hweight16
   9 __arch_hweight32
  10 __arch_hweight64
  11 __write_once_size
  12 atomic_set
  13 atomic_read
  14 notifier_to_errno