extern "C" __declspec(dllexport) void setValue(float * a, float * b);
void setValue(float * a, float * b){
    printf("Enter value of a and b");
    scanf("%f %f", a,b);
}

typedef void (__cdecl * setValDll)(float *,float *);
extern "C" __declspec(dllexport) float Add(void);
float firstIp;
float secondIp;

float Add(void){
HMODULE  hmodule;
setValDll setValDllFunc;
hmodule = LoadLibrary("consoleIP.dll" );
    if(hmodule == NULL){
        printf("DLL load Failedn");
        return 101;
    }

    setValDllFunc = (setValDll)GetProcAddress(hmodule, "setValue");
    setValDllFunc(&firstIp, &secondIp);

HMODULE dllModule;
typedef float (__cdecl * addVal)(void);
typedef void (__cdecl * setValDll)(float *,float *);

main(){
addVal addFuncAddr;
setValDll setValFromDll;
float test1;
float test2;

dllModule = LoadLibrary(calcFunc.dll");
addFuncAddr = (addVal)GetProcAddress(dllModule, "Add");
returnVal = addFuncAddr(); // Works fine
setValFromDll = (setValDll)(dllModule,"setValue");
setValFromDll(&test1, &test2); // Access Violation exception