# mysql\_stmt\_errno

## Syntax

```c
unsigned int mysql_stmt_errno(MYSQL_STMT * stmt);
```

* `stmt` - a statement handle, which was previously allocated by [mysql\_stmt\_init()](https://mariadb.com/docs/connectors/mariadb-connector-c/api-prepared-statement-functions/mysql_stmt_init).

## Description

Returns the [error code](https://app.gitbook.com/s/SsmexDFPv2xG2OTyO5yV/reference/error-codes) for the most recently invoked statement function that can succeed or fail. Zero means no error occurred.

{% hint style="info" %}
Client error messages are listed in `errmsg.h` header file, server error messages are listed in `mysqld_error.h` header file of the server source distribution.
{% endhint %}

## See Also

* [mysql\_stmt\_error()](https://mariadb.com/docs/connectors/mariadb-connector-c/api-prepared-statement-functions/mysql_stmt_error),
* [mysql\_stmt\_sqlstate()](https://mariadb.com/docs/connectors/mariadb-connector-c/api-prepared-statement-functions/mysql_stmt_sqlstate)

{% @marketo/form formId="4316" %}
