[P]

[..]
  1. PAGE_ALIGN
  2. PAGE_SIZE
  3. PAGING_MEMORY
  4. PAGING_PAGES
  5. PARMRK
  6. PENDIN
  7. PIPE_EMPTY
  8. PIPE_FULL
  9. PIPE_HEAD
  10. PIPE_SIZE
  11. PIPE_TAIL
  12. PLUS
  13. PUTCH
[..]