| Non-Alpha | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Function | Cyclomatic | Modified | Strict | Essential | Nesting | Paths |
| R_ConcatRotations | 1 | 1 | 1 | 1 | 0 | 1 |
| R_ConcatTransforms | 1 | 1 | 1 | 1 | 0 | 1 |
| RateCallback | 2 | 2 | 2 | 1 | 1 | 2 |
| RawValuePointer | 7 | 2 | 7 | 1 | 1 | 7 |
| Rcon_Validate | 3 | 3 | 3 | 3 | 1 | 4 |
| ReadText | 2 | 2 | 2 | 1 | 1 | 2 |
| ReleaseMappedBuffer | 1 | 1 | 1 | 1 | 0 | 1 |
| RemoveLink | 1 | 1 | 1 | 1 | 0 | 1 |
| RequestProc | 8 | 5 | 8 | 4 | 2 | 21 |
| ResampleSfx | 9 | 9 | 11 | 1 | 3 | 56 |
| ResetDefaults | 1 | 1 | 1 | 1 | 0 | 1 |
| RotatePointAroundVector | 2 | 2 | 2 | 1 | 1 | 2 |
| RulesChangeFunc | 6 | 6 | 6 | 1 | 2 | 6 |
| Non-Alpha | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |