Index - C
| CallStack | Base, Universum |
| callStack | Base, Universum |
| cancel | Universum |
| cancelWith | Universum |
| catch | Universum |
| catchAll | Universum |
| catchSTM | Universum |
| catMaybes | Universum |
| ceiling | Base, Universum |
| Chan | Universum |
| Char | Base, Universum |
| check | Universum |
| chr | Universum |
| cis | Universum |
| clamp | Base, Universum |
| clearBit | Universum |
| Coercible | Base, Universum |
| compare | Universum |
| compareInteger | Base, Universum |
| comparing | Universum |
| complement | Universum |
| complementBit | Universum |
| complementInteger | Base, Universum |
| Complex | Universum |
| concat | Universum |
| concatMap | Universum |
| concatMapM | Monad, Universum |
| Concurrently | |
| 1 (Data Constructor) | Universum |
| 2 (Type/Class) | Universum |
| concurrently | Universum |
| concurrently_ | Universum |
| conjugate | Universum |
| Const | |
| 1 (Data Constructor) | Universum |
| 2 (Type/Class) | Universum |
| const | Universum |
| Constraint | Base, Universum |
| Container | Containers, Universum |
| ConvertUtf8 | Conv, Universum |
| cos | Base, Universum |
| cosDouble | Base, Universum |
| cosFloat | Base, Universum |
| cosh | Base, Universum |
| coshDouble | Base, Universum |
| coshFloat | Base, Universum |
| countLeadingZeros | Universum |
| countTrailingZeros | Universum |
| currentCallStack | Base, Universum |
| curry | Universum |
| cycle | Universum |
| cycle1 | Universum |