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# Libraries

Use the `,open` command or the module language to open the structures described below.

- General utilities
- Pretty-printing
- ASCII character encoding
- Bitwise integer operations
- Byte vectors
- Sparse vectors
- Cells
- Queues
- Arrays
- Records
- Finite record types
- Sets over finite types
- Hash tables
- Port extensions
- Fluid bindings
- Shell commands
- Sockets
- Macros for writing loops
- Sorting lists and vectors
- Regular expressions
- SRFIs

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