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GNU poke supports the abstract notion of IO space, which is an addressable space of Poke objects: integers, strings, arrays, structs, etc. This underlying storage for the IO spaces (which we call IO devices) can be heterogeneous: from a file your file system to the memory of some process.
| • open: | Creating IO spaces. | |
| • close: | Destroying IO spaces. | |
| • flush: | Flushing IO spaces. | |
| • get_ios: | Getting the current IO space. | |
| • set_ios: | Setting the current IO space. | |
| • iosize: | Getting the size of an IO space. |