typedef struct _QTHREADINFO1 { ULONG QTI_length; ULONG QTI_tid; /* Thread ID. */ ULONG QTI_ordinal; /* Thread ordinal number. */ ULONG QTI_tib; /* Task info block. */ ULONG QTI_priority; /* Thread priority. */ } QTHREADINFO1; typedef QTHREADINFO1 * QTHREADINFO1 ;