text: #ifndef _dacq_message_h
  #define _dacq_message_h
  
  typedef struct {
    int     kind;			/* What is this data? */
    int     type;			/* What is its type */
    int     size;			/* Size of item */
    int     loc;			/* Position in file */
    int     shmem_buf;		/* Shared mem block */
    int     shmem_loc;		/* Not used, set to -1 */
  } dacqDataMessageRec,*dacqDataMessage;
  
  #define DATA_MESS_SIZE sizeof(dacqDataMessageRec)
  
  #endif
  