# GenericMsg

Generic message structure.

### Synopsis

    typedef struct GenericMsg {
       DS_MSG_HEADER
     } GenericMsg, *GenericMsgPtr

### Description

The simplest message sent from the streamer to subscribers, composed only of a DS_MSG_HEADER.

### Fields

`DS_MSG_HEADER` can be one of the following types:

`long whatToDo`
  Opcode determining message contents.

`Item msgItemmessage`
  Item for sending this buffer.

`void* privatePtr`
  Pointer to send private data.

`void* link`
  User defined, for linking message into lists.

### Associated Files

DataStream.h

### See Also

`NewDataAcq`