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Jak Koke (Jak-MS) merged 3 commits into from
Mar 16, 2023
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Update wctomb-s-wctomb-s-l.md #4463

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EddieBreeveld Mar 15, 2023
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TylerMSFT Mar 16, 2023
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TylerMSFT Mar 16, 2023
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4 changes: 3 additions & 1 deletion docs/c-runtime-library/reference/wctomb-s-wctomb-s-l.md
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Expand Up @@ -60,9 +60,11 @@ Error Conditions
| `NULL` | >0 | `EINVAL` | not modified |
| any | >`INT_MAX` | `EINVAL` | not modified |
| any | too small | `EINVAL` | not modified |

If any of the above error conditions occurs, the invalid parameter handler is invoked, as described in [Parameter validation](../parameter-validation.md). If execution is allowed to continue, `wctomb` returns `EINVAL` and sets `errno` to `EINVAL`.

Return value `EILSEQ` indicates an encoding error has occurred.

@TylerMSFT Tyler Whitney (TylerMSFT) Mar 15, 2023

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Thank you for making this addition. Could we word it slightly differently and provide a link? For example: "An EILSEQ return value indicates that the parameter wchar is not a valid wide character.

@TylerMSFT Tyler Whitney (TylerMSFT) Mar 15, 2023

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The link may be hard to read since github interpreted the markdown. It was [EILSEQ](../errno-constants.md)

@TylerMSFT Tyler Whitney (TylerMSFT) Mar 15, 2023

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with backticks around EILSEQ


## Remarks

The **`wctomb_s`** function converts its *`wchar`* argument to the corresponding multibyte character and stores the result at *`mbchar`*. You can call the function from any point in any program.
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