const char * str = "123456789";
num[0] = str[0];
num[1] = str[1];
num[2] = str[2];
num[3] = str[3];
num[4] = str[4];
num[5] = str[5];
num[6] = str[6];
num[7] = str[7];
num[8] = str[8];