| title | alloca | Microsoft Docs | |
|---|---|---|
| ms.custom | ||
| ms.date | 11/04/2016 | |
| ms.technology |
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| ms.topic | reference | |
| dev_langs |
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| ms.assetid | 2b209335-e3a0-4934-93f0-3b5925d22918 | |
| author | corob-msft | |
| ms.author | corob | |
| ms.workload |
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_alloca is required to be 16-byte aligned and additionally required to use a frame pointer.
The stack that is allocated needs to include space below it for parameters of subsequently called functions, as discussed in Stack Allocation.