[R]

1. RCTRL
2. READ
3. READA
4. READY_STAT
5. READ_10
6. READ_6
7. READ_CAPACITY
8. REALLY_SLOW_IO
9. REASSIGN_BLOCKS
10. RECIEVE_DAIGNOSTIC
11. RECONNECT_NOW
12. RECOVERED_ERROR
13. REDO
14. REG
15. RELEASE
16. REMOVE_LINKS
17. REQUEST_SENSE
18. REQ_CMDOUT
19. REQ_DATAIN
20. REQ_DATAOUT
21. REQ_MASK
22. REQ_MSGIN
23. REQ_MSGOUT
24. REQ_STATIN
25. RESERVATION_CONFLICT
26. RESERVE
27. RESET_TIMEOUT
28. RESTORE_MOST
29. RESTORE_POINTERS
30. REZERO_UNIT
31. RLIMIT_CORE
32. RLIMIT_CPU
33. RLIMIT_DATA
34. RLIMIT_FSIZE
35. RLIMIT_MEMLOCK
36. RLIMIT_NPROC
37. RLIMIT_OFILE
38. RLIMIT_RSS
39. RLIMIT_STACK
40. RLIM_INFINITY
41. RLIM_NLIMITS
42. ROUNDING
43. ROUND_0
44. ROUND_DOWN
45. ROUND_NEAREST
46. ROUND_UP
47. RO_IOCTLS
48. RSHIFT
49. RUSAGE_CHILDREN
50. RUSAGE_SELF
51. Read_FIFO
52. Read_Loopback
53. Read_SCSI_Data