Chicken » Interface to external functions and variables

## Interface to external functions and variables

The macros in this section, such as `define-foreign-type` and `define-external`, are available in the `foreign` import library. To access them:

    (import (chicken foreign))

Note: Using the foreign library directly from the interpreter or the REPL will not work.

- Accessing external objects
- Foreign type specifiers
- Embedding
- C interface
- Data representation

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