# WBTCallback

## Definitions

  `#include <nitro/wbt.h>`
  `typedef void (*WBTCallback)( void *param );`

## Description

The type of function requested as a WBT library callback function. The arguments are described below.

param | You can cast a pointer to the `WBTCommand` structure and get result information.

## See Also

`WBT_InitParent`, `WBT_InitChild`, `WBT_RequestSync`, `WBT_GetBlockInfo`, `WBT_GetBlock`, `WBT_PutUserData`, `WBT_CancelCurrentCommand`, `WBTCommandType`, `WBTCommand`

## Revision History

09/21/2004 Initial version