System-specific Thread Information Block structure.

typedef struct _TIB2 {
  ULONG      tib2_ultid;         /*  Current thread identifier. */
  ULONG      tib2_ulpri;         /*  Current thread priority. */
  ULONG      tib2_version;       /*  Version number for this system-specific Thread Information Block. */
  USHORT     tib2_usMCCount;     /*  Must-complete count. */
  USHORT     tib2_fMCForceFlag;  /*  Must-complete force flag. */
} TIB2;

typedef   TIB2   * PTIB2 ;