tfDeviceStorePointer

Table of Contents >> Programmer's Reference

#include <trsocket.h>

int tfDeviceStorePointer	(
	ttUserInterface interfaceHandle,
	void * deviceDriverPtr
	);

Function Description

In the device driver open function, after having allocated a device driver specific structure, call tfDeviceStorePointer() to store a pointer to that structure on the interface.

Parameters

• interfaceHandle

  Interface ID as returned by tfAddInterface().

• deviceDriverPtr

  Device driver pointer to be stored on the interface.

Returns

• TM_ENOERROR

  Success.

• TM_EALREADY

  A device driver pointer was already stored on that interface.

• TM_EINVAL

  Invalid interface handle.

Note:

See also tfDeviceClearPointer() and tfDeviceGetPointer().

Table of Contents >> Programmer's Reference