► |  | FFI: Racket Foreign Interface

1 | Overview
2 | Loading Foreign Libraries
3 | C Types
4 | Pointer Functions
5 | Derived Utilities
6 | Miscellaneous Support
7 | Unexported Primitive Functions
| Index

▼ | 3 | C Types

3.1 | Type Constructors
3.2 | Numeric Types
3.3 | Other Atomic Types
3.4 | String Types
3.5 | Pointer Types
3.6 | Function Types
3.7 | C Struct Types
3.8 | Enumerations and Masks

On this page:

_ bool
_ void

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#### 3.3`` Other Atomic Types

_bool : ctype?

Translates #f to a 0 _int, and any other value to 1.

_void : ctype?

Indicates a Racket #<void> return value, and it cannot be used to translate values to C. This type cannot be used for function inputs.
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