ACB

Associate control block. This structure describes a data object to associate with a stream instance. Each stream handler defines the values for ulParm1 and ulParm2. A stream handler can define none or more associate control blocks.

typedef struct _ACB {
  ULONG     ulACBLen;   /*  Structure length. */
  ULONG     ulObjType;  /*  Object type. */
  ULONG     ulParm1;    /*  I/O parameter. */
  ULONG     ulParm2;    /*  I/O parameter. */
} ACB;

typedef   ACB   * PACB ;