►
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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