[b]

[..]
  1. bit_alloc
  2. bit_clear
  3. bit_decl
  4. bit_ffc
  5. bit_ffs
  6. bit_nclear
  7. bit_nset
  8. bit_set
  9. bit_test
  10. bitstr_size
  11. bitstr_t
  12. build_env
[..]