Class and string problems

//Ok im in my first class and want to pass a string array to my printer class



// string array
char aMsg[] = "My string";
		 

// call my second class
MysecondClass second;
second.print_msg(&aMsg);



// function in second class
void MysecondClass::print_msg(char *ptr){

// do whatever
		
}

// call my second class
MysecondClass second;


// error line
second.print_msg(aMsg);



// this is the print function in second class
void MysecondClass::print_msg(char *str){
}

Interface GUI;
GUI.Display(string);