[P]

1. PAGE_ACCESSED
2. PAGE_ALIGN
3. PAGE_DIRTY
4. PAGE_PRESENT
5. PAGE_RW
6. PAGE_SIZE
7. PAGE_USER
8. PAGING_MEMORY
9. PAGING_PAGES
10. PARENB
11. PARENT_INO
12. PARENT_NAME
13. PARMRK
14. PARODD
15. PATH_MAX
16. PENDIN
17. PERMISS
18. PEXEC
19. PF_ALIGNWARN
20. PF_PTRACED
21. PF_VM86
22. PIO_FONT8x14
23. PIO_FONT8x16
24. PIO_FONT8x8
25. PIO_SCRNMAP
26. PIPE_BUF
27. PIPE_EMPTY
28. PIPE_FULL
29. PIPE_HEAD
30. PIPE_READ_WAIT
31. PIPE_SIZE
32. PIPE_TAIL
33. PIPE_WRITE_WAIT
34. PLUS
35. PREAD
36. PRECISION
37. PROT_EXEC
38. PROT_NONE
39. PROT_READ
40. PROT_WRITE
41. PST
42. PTY_OTHER
43. PUTCH
44. PWRITE