ar

int read(){	ifstream atm_save_file;	atm_save_file.open("ATM.DAT", ios::in);		char file_line[50];	if(atm_save_file)	{		do		{			string file_pin;			int file_pin2[4];			atm_save_file >> file_line;			file_pin = strtok(file_line, ":");			char file_pin_[4];			strcpy(file_pin_, file_pin.c_str());			for(int x = 0; x < 4; x++)			{                    char num = file_pin_[x];                    file_pin2[x] = atoi(&num);            }                                                            			if(file_pin2 == &user.pin)			{				savings_.balance = strtod(strtok(NULL, ":"), NULL);				checking_.balance = strtod(strtok(NULL, ":"), NULL);				checking_.transfer_to = strtod(strtok(NULL, ":"), NULL);				savings_.transfer_to = strtod(strtok(NULL, ":"), NULL);				break;			}		} while(!atm_save_file.fail());	}		return 0;}