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17 lines
221 B
Markdown
17 lines
221 B
Markdown
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---
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title: extern
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layout: command
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version: 0.59.0
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---
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Define a signature for an external command
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## Signature
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```> extern (def_name) (params)```
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## Parameters
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- `def_name`: definition name
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- `params`: parameters
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