[R]

1. RA
2. RADIX_MAX
3. RADIX_MIN
4. RANDOM
5. RAOFF
6. READ
7. READLINE_AUX
8. READLINK_PATH_MAX
9. REALPATH_PATH_MAX
10. REAL_BEGIN
11. REAL_FUNC
12. RED
13. REDIRECT_FREE
14. REDIRECT_REALLOC
15. REGEXP_OFFSET_MAX
16. REGISTER_LIBRARIES_EARLY
17. REPEAT
18. REPEAT_FLAG
19. RESTORE_REGS
20. RESULT_SZ
21. RETRY_INTERVAL
22. RETURN_OP
23. REVEAL_POINTER
24. RIGHT
25. RISCOS
26. ROOTDIR
27. ROTL
28. ROUNDED_UP_WORDS
29. ROUNDUP
30. RS6000
31. RT
32. RT_SIZE
33. RefTypeSet