[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. PARITY
14. PARMRK
15. PARODD
16. PATH_MAX
17. PENDIN
18. PERMISS
19. PEXEC
20. PF_ALIGNWARN
21. PF_INET
22. PF_PTRACED
23. PF_UNIX
24. PF_VM86
25. PHASE_ARBITRATION
26. PHASE_BUS_FREE
27. PHASE_CMDOUT
28. PHASE_DATAIN
29. PHASE_DATAOUT
30. PHASE_ETC
31. PHASE_EXIT
32. PHASE_MSGIN
33. PHASE_MSGOUT
34. PHASE_SELECTION
35. PHASE_STATUSIN
36. PIO_FONT8x14
37. PIO_FONT8x16
38. PIO_FONT8x8
39. PIO_SCRNMAP
40. PIPE_BUF
41. PIPE_EMPTY
42. PIPE_FULL
43. PIPE_HEAD
44. PIPE_READ_WAIT
45. PIPE_SIZE
46. PIPE_TAIL
47. PIPE_WRITE_WAIT
48. PLUS
49. PORT_ADDRESS
50. PORT_OVERRIDE
51. PREAD
52. PRECISION
53. PRINTK
54. PRINT_COMMAND
55. PRIO_MAX
56. PRIO_MIN
57. PRIO_PGRP
58. PRIO_PROCESS
59. PRIO_USER
60. PRODUCT_ID
61. PROT_EXEC
62. PROT_NONE
63. PROT_READ
64. PROT_WRITE
65. PST
66. PTY_OTHER
67. PUTCH
68. PWRITE
69. PZERO
70. Partition