My Random Struct

#include <cstdlib>

struct Random {
Random();
Random(int);
int Next();
int Next(int);
int Next(int , int );
double NextDouble();  
void NextBytes(char*);

private:
       int Seed;   
};

Random::Random(){
 Seed = 0;                
}

Random::Random(int seed){
Seed =  seed;                 
}

int Random::Next() { 
srand ( Seed  );
return rand() % RAND_MAX;   
}

int Random::Next(int nxt) {
srand ( Seed  );
nxt++; 
return rand() % nxt ;                 
}

int Random::Next(int min, int max) {
srand ( Seed  );
if(min > max) // If min > max then swap their values
{
       int temp = max;
       max = min;
       min = temp;
}
return (rand() % (max-min)+min);
}

double Random::NextDouble() { 
 srand ( Seed  ); 
//return (double)((rand()%10 + 1)*0.1) ;  Returns exactly values e.g : 0.1 , 0.4 , 0.8
return static_cast<double>(rand())/RAND_MAX;             
}

void Random::NextBytes(char* array) {
     
srand ( Seed );

}

for(int i = 0; i < strlen(array); i++)
{
int randed = rand()% 256 + 1;
array[i] = (char) randed; // dont work
array[i] = static_cast<char>(randed); // dont work
array[i] = reinterpret_cast<char>(randed); // dont work
array[i] = boost::lexical_cast<char>(randed)  // dont work with great numbers
}