> For the complete documentation index, see [llms.txt](https://docs.hex-rays.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hex-rays.com/9.0sp1/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/610.md).

# get\_next\_index

```
get index of the next existing array element
     tag     - tag of array (AR_LONG or AR_STR)
     id      - array id
     idx     - index of the current element
returns: -1 - no more array elements
         otherwise returns index of the next array element

long get_next_index(long tag, long id, long idx);
```


---

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