# WBTCallback

## Definition

  `#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

2004/09/21 Initial version.

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