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◆ heartbeat_client_start_service()
Starts a new heartbeat service on the specified device and connects to it.  
- Parameters
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    | device | The device to connect to.  |  
    | client | Pointer that will point to a newly allocated heartbeat_client_t upon successful return. Must be freed using heartbeat_client_free() after use.  |  
    | label | The label to use for communication. Usually the program name. Pass NULL to disable sending the label in requests to lockdownd. |  
   
   
 
- Returns
 - HEARTBEAT_E_SUCCESS on success, or an HEARTBEAT_E_* error code otherwise. 
  
 
 
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