Reference

The VTDAPI provides the following services:

VTDAPI_Begin_Min_Int_Period

VTDAPI_End_Min_Int_Period

VTDAPI_Get_Int_Period

VTDAPI_Get_Sys_Time

VTDAPI_Get_System_Time_Selector

VTDAPI_Get_Version

VTDAPI_Start_User_Timer

VTDAPI_Stop_User_Timer

VTDAPI_Timer_Start

VTDAPI_Timer_Stop