Pointer errors in the method of transmission(c++)

Question

I encountered a problem.I try to change the pointer,but pointer does not change. Here is my code:

 void TestPoint(char* point)
{
point=new char[10];
}
int ma         


        

Answer 1

void TestPoint(char** point)
{
    *point = new char[10];
}

int main(int argc, char* argv[])
{
    char* test = NULL;
    TestPoint(&test);
    /******/
    return 0;
}