---
name: "mysql_num_fields"
section: "3"
platform: "linux"
package: "mariadb"
version: "13.0.2-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/mysql_num_fields"
---

# mysql\_num\_fields(3)

### Name

mysql\_num\_fields - Returns number of fields in a result set

### Synopsis

-

  ```
  #include <mysql.h>
  unsigned int mysql_num_fields(MYSQL_RES * );
  ```

### Description

Returns number of fields in a specified result set.

### Parameter

- •

  `MYSQL RES *` - A result set identifier returned by **[mysql\_store\_result(3)](/mysql_store_result/3.md)** or **[mysql\_use\_result(3)](/mysql_use_result/3.md)**.

### Return value

Returns number of fields.

### See also

- •

  **[mysql\_fetch\_field(3)](/mysql_fetch_field/3.md)**

- •

  **[mysql\_field\_count(3)](/mysql_field_count/3.md)**