Как обратиться к указатели в функции?

typedef struct 
{
 
    DWORD dwLinkNum;     //connected client number
    NET_DVR_IPADDR struClientIP[MAX_LINK]; //client IP referred to NET_DVR_IPADDR
    DWORD dwIPLinkNum; //if the current channel is set as IPC channel,  then this parameter represents the current connected IP channel number.
}NET_DVR_CHANNELSTATE_V30;
 
typedef struct tagNET_DVR_WORKSTATE_V40
{ 
    DWORD   dwSize ;             
    DWORD   dwDeviceStatic;      //the device's status,  0-  normal,  1-  the occupancy of CPU is too high,  more than 85%,  2- hardware error,  e.g. the serial ports do not work
    NET_DVR_DISKSTATE  struHardDiskStatic[MAX_DISKNUM_V30];    
    NET_DVR_CHANNELSTATE_V30 struChanStatic[MAX_CHANNUM_V40/*512*/];//chan Status
    DWORD   dwHasAlarmInStatic[MAX_ALARMIN_V40/*512*/];  
    DWORD   dwHasAlarmOutStatic[MAX_ALARMOUT_V40/*512*/]; 
    DWORD   dwLocalDisplay;         //Local display status,  0-  normal,  1- abnormal
    BYTE    byAudioInChanStatus[MAX_AUDIO_V30/*2*/];//Audio channel status,  0- unused;  1- on using; 0xff- invalid
    BYTE    byRes1[2];
    float    fHumidity;    //0.0 ~ 100.0
    float    fTemperature;    //-20.0 ~ 90.0
    BYTE    byRes[116];                 
}NET_DVR_WORKSTATE_V40;
 
struct _nvr
{
  LONG lUserID;
  NET_DVR_DEVICEINFO_V30 struDeviceInfo;//the info get when login
  NET_DVR_WORKSTATE_V40 *pStruWorkStateV40;
};
 
Объявление структуры:
_nvr nvr[30] = {};

nvr[0].pStruWorkStateV40 -> struChanStatic[1].struClientIP[2]