Cannot have a type qualifier...?

[SSJTactics]

This is a program on Telephone Billing. There's only one error and it says- "Identifier 'append' cannot have a type qualifier.

//**********************************************************************************
//    PROJECT TELEPHONE-BILLING
//**********************************************************************************
//    TELEPHONE BILLING 
 
//Header files
 
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<process.h>
#include<ctype.h>
#include<dos.h>
#include<dir.h>
#include<fstream.h>
 
//Class having the record of customer
 
class customer
{    char ph[10];
    char name[30];
    char add[40];
    char type;
 
    public:
    void append();
    void display();
    void deleter();
    void modify();
    void list();
    void help();
} cust;
 
//Function to display the message at the bottom of the screen
 
void message (char mess[80])
{
    int l, d;
    l = strlen(mess);
    d=l/2;
    gotoxy(2,24);
    textcolor(WHITE+BLINK);
    textbackground(BLACK);
    cprintf("                                                 ");
    gotoxy(40-d, 24);
    clreol();
    cprintf("%s", mess);
    textcolor(BLACK);
    textbackground(WHITE);
}
 
//Main function having the main menu
 
void main()
{
    textcolor(BLACK);
    textbackground(WHITE);
    char ch, ch1;
    while(1)
    {
        clrscr();
        textcolor(BLACK);
        textbackground(WHITE);
        gotoxy(25,5);
        cprintf("MAHANAGAR TELEPHONE NIGAM LTD.");
        textcolor(BLACK);
        textbackground(WHITE);
        gotoxy(25,8);
        cout<<"    D    -    Display a Bill";
        gotoxy(25,10);
        cout<<"L        -    List of Customers";
        gotoxy(25,12);
        cout<<"H    -    Help";
        gotoxy(25,14);
        cout<<"M    -    Modify a Record";
        gotoxy(25,16);
        cout<<"Q    -    Quit";
        message("Select your Choice");
        gotoxy(40,18);
 
        ch=getch();
        ch=toupper(ch);
        switch(ch)
        {
        case('Q')    : textcolor(WHITE);
               textbackground(BLACK);
               clrscr();
               exit(1);
        case('D')    : cust.display();
               break;
        case('L')     : cust.list();
               break;
        case('H')    : cust.help();
               break;
        case('M'):
            ch1 = 'A';
            while(ch1 != 'Q' )
            {
                clrscr();
                textcolor(WHITE);
                textbackground(BLACK);
                gotoxy(25,5);
                cprintf("MAHANAGAR TELEPHONE NIGAM LTD.");
                textcolor(BLACK);
                textbackground(WHITE);
                gotoxy(25,9);
                cout<<"A        -    Append a record";
                gotoxy(25,11);
                cout<<"D    -    Delete a record";
                gotoxy(25,13);
                cout<<"M    -    Change a record";
                gotoxy(25,15);
                cout<<"Q        -    Quit";
                message("Select your option");
                ch1 = getch();
                ch1 = toupper(ch1);
                switch(ch1)
                {
                    case('A') : cust.append();
                           break;
                    case('D') : cust.deleter();
                           break;
                    case('M') : cust.modify();
                           break;
                }
        }    
    }
   }
}
 
//Function to add the customer record in the file
 
 void customer :: append()
{
    char choice;
    fstream fp;
    fp.open("tphone.dat", ios::app);
    if (!fp)
    {
        cout<<"Unable to open FILE.";
        getch();
        return;
    }
    while(1)
    {
        clrscr();
        gotoxy (3,3);
        cout<<"Customer Record #";
        message("Enter the customer record");
        while(1)
        {
            message("Enter the name");
            gotoxy(3,5);
            cout<<"Name    :    ";
            gotoxy(25,5);
            gets(name);
            if(strlen (name) == 0)
            {
                gotoxy(2,23);
                clreol();
                textcolor(WHITE+BLINK);
                textbackground(BLACK);
            }
            else
            break;
        }
 
        while(1)
        {
            gotoxy(3,7);
            cout<<"Assigned Ph. No.    :    ";
            gotoxy(25,7);
            cin>>ph;
            if (ph != 0 )
                break;
            else
            {
                gotoxy(25,7);
                clreol();
            }
        }
 
        message ("Enter O for Office and R for Residential phone");
        gotoxy (3,8);
        cout<<"Category (O/R)    :    ";
        cin>>type;
        gotoxy(4,10);
        cout<<"1 : Save & Exit    2 : Save & Cont.    0 : Exit without save";
        gotoxy(4,11);
        cout<<"?  ";
        cin>>choice;
        switch(choice)
        {
            case ('1') : fp.write ( (char *) this, sizeof (cust) );
                   fp.close();
                   return;
            case ('2') : fp.write( (char *) this, sizeof (cust) );
                   break;
            case ('0') : fp.close();
                   return;
            default     : fp.close();
                   return;
        }
    }
}    
 
//Function to display the customer record and calculate the bill
 
void customer :: display()
{
    char p[10];
    char choice;
    int found=0;
    int no;
    float bill=0.0, tax=0.0, fine=0.0, bbill=0.0, abill=0.0;
    fstream fp;
    fp.open("tphone.dat", ios::in);
    if (!fp)
    {
        cout<<"Unable to open a file";
        getch();
        fp.close();
        return;
    }
 
    while (choice != '0' )
    {
        clrscr ();
        gotoxy(3,20);
        cout<<"Please enter the Phone No. ";
        cin>>p;
        if (!strcmp(p,"0"))
            return;
        found = 0;
        fp.seekg(0);
        while (fp.read ( (char *) this, sizeof (cust) ) )
        {
            if (founf==1)
                break;
            if(!strcmp (ph,p) )
            {
                clrscr();
                gotoxy(28,2);
                textcolor(BLACK+BLINK) ;
                textbackground(WHITE);
                cprintf("MAHANAGAR TELEPHONE BILL");
                textcolor(WHITE);
                textbackground(BLACK);
                gotoxy(3,4);
                cout<<"Name        :   ";
                cout<<name;
                gotoxy(35,5);
                cout<<"Address        :   ";
                cout<<add;
                gotoxy(35,4);
                cout<<"Assigned Ph. No.    :   ";
                cout<<ph;
                gotoxy(3,5);
                cout<<"Category ( O/R )    :   ";
                cout<<type;
                gotoxy(23,8);
                cout<<"_____________";
                gotoxy(10,8);
                cout<<"No. of calls ";
                cin>>no;
                if ( no <= 150 )
                    bill = 0;
                else
                {
                no = no - 150;
                if ( toupper (type) == 'O')
                    bill = np * 1.00 ;
                else
                    bill = no * .80;
            }
 
            gotoxy (10,9);
            cout<<"Bill";
            gotoxy (70,9);
            cout<<bill;
            tax = (5*bill) / 100;
            gotoxy (10,10) ;
            cout<<"5 % Tax ";
            gotoxy (70,10);
            cout<<tax;
            gotoxy (10,11);
            cout<<"Duties";
            gotoxy (70,11);
            cout<<"100";
            int dd, mm, yy;
            struct date d;    //Getting system date
            getdate (&d);
            dd = d.da_day;
            mm = d.da_mon;
            yy = d.da_year;
            gotoxy (10,15);
            cout<<"TOTAL BILL before ";
            cout<<dd<<"/"<<mm<<"/"<<yy;
            bbill = bill+tax+100;
            gotoxy (70,15);
            cout<<bbill;
            gotoxy (10,17);
            cout<<"Late Fine";
            fine = (bbill*5) / 100;
            gotoxy (70,17);
            cout<<fine;
            gotoxy (10,21);
            cout<<"TOTAL BILL after ";
            cout<<dd<<"/"<<mm<<"/"<<yy;
            abill = bbill + fine;
            gotoxy (70,21);
            cout<<abill;
            found = 1;
            message ("Press a Key");
            getch();
        }
    }
 
    message ("Enter 1 or 2 to cont.");
    gotoxy (4,22);
    cout<<"1 : Cont.    0 : Exit ";
    cout<<"?  ";
    cin>>choice;
 
    switch(choice)
    {
        case ('1') :
               break;
        case ('0') : return;
        default     : return;
    }
       }
       fp.close();
}
 
//Function to display the list of the customers
 
void customer :: list()
{
    clrscr();
    fstream fp;
    int r;
    fp.open ("tphone.dat"; ios::in);
    if ( !fp )
    {
        cout<<"Unable to open";
        getch();
        fp.close();
        return;
    } 
 
    gotoxy (35,2);
    cout<<"List of customers";
    gotoxy (35,3);
    cout<<"**************";
    gotoxy (5,4);
    cout<<"Name";
    gotoxy (40,4);
    cout<<"Phone No.";
    gotoxy (65,4);
    cout<<"Category";
    gotoxy (1,5);
 
cout<<"***********************************************************************************************";
    r=6;
    while ( fp.read (char *) this, sizeof (cust) ) )
    {
        if (r >= 21)
        {
            message ("Press a key");
            getch();
            clrscr();
            gotoxy (35,2);
            cout<<"List of customers";
            gotoxy (35,3);
            cout<<"**************";
            gotoxy (5,4);
            cout<<"Name";
            gotoxy (40,4);
            cout<<"Phone No.";
            gotoxy (65,4);
            cout<<"Category";
            gotoxy (1,5);
 
cout<<"***********************************************************************************************";
        r=6;
        }
 
        gotoxy (5,r);
        cout<<name;
        gotoxy (40,r);
        cout<<ph;
        gotoxy (65,r);
        if (toupper (cust.type) == 'O' )
            cout<<"Office";
        else
            cout<<"Residential";
        r++;
    }
    message ("Press a key");
    getch();
    fp.close();
}
 
//Function to delete the record of customer from the file
 
void customer :: deleter()
{
    char ch;
    char p[10];
    fstream temp, fp;
    fp.open ("tphone.dat", ios::in);
    if ( !fp )
    {
        cout<<"Unable to open Telephone file";
        getch();
        fp.close();
        return;
    }
    temp.open ("temp.dat", ios::out);
    if (!temp)
    {
        cout<<"Unable to open Temporary file";
        getch();
        temo.close();
        return;
    }
    clrscr();
    gotoxy (5,3);
    cout<<"Enter the Phone No. to be deleted : ";
    cin>>p;
    if( !strcmp (p,"0") )
        return;
    int found = 0;
    while (fp.read ( (char *) this, sizeof(cust) ) )
    {
        if ( !strcmp(p,ph) )
        {
            found = 1;
            gotoxy (5,5);
            cout<<"Name        "<<name;
            gotoxy (5,6);
            cout<<"Address        "<<add;
            gotoxy (5,7);
            cout<<"Category        "<<type;
            gotoxy (6,10);
            cout<<"Delete this record (Y/N) ";
            cin>>ch;
            if ( toupper(ch) == 'N' )
                temp.write ((char*) this, sizeof (cust) );
        }
        else
            temp.write ((char*) this, sizeof (cust));
    }
    fp.close();
    temp.close();
    if (toupper(ch) == 'N')
        return;
    if (!found)
    {
        cout<<"\n\nTelephone no. not found";
        getch();
        return;
    }
    fp.open ("tphone.dat", ios::out);
    temp.open("temp.dat", ios::in);
    while (temp.read ((char*) this, sizeof(cust) ) )
        fp.write ((char*) this, sizeof (cust) );
    fp.close();
    temp.close();
}
 
//Function to modify the record of customer from the file
 
void customer :: modify()
{
    char ch;
    char p[10];
    fstream temp, fp;
    fp.open ("tphone.dat", ios::in);
    if (!fp)
    {
        cout<<"Unable to open Telephone file";
        getch();
        fp.close();
        return;
    }
    temp.open ("temp.dat", ios::out);
    if (!temp)
    {
        cout<<"Unable to open Temporary file";
        getch();
        temp.close();
        return;
    }
    clrscr();
    gotoxy (5,3);
    cout<<"Enter the Phone No. to be modify : ";
    cin>>p;
    if( !strcmp(p,"0") )
        return;
    int found=0;
    while (fp.read ((char*) this, sizeof (cust) ) )
    {
        if (!strcmp (p,ph) )
        {
            found = 1;
            gotoxy (5,5);
            cout<<"Name    "<<name;
            gotoxy (5,6);
            cout<<"Address    "<<add;
            gotoxy (5,7);
            cout<<"Category     "<<type;
            gotoxy (6,10);
            cout<<"Modify this record (Y/N) ";
            cin>>ch;
            if ( toupper(ch) == 'Y' )
            {
                gotoxy (3,13);
                cout<<"Customer Record #";
                message ("Enter the customer record");
                while(1)
                {
                    gotoxy (3,15);
                    cout<<"Name    :    ";
                    gets(name);
                    if (strlen (name) != 0)
                        break;
                }
                gotoxy (3,16);
                cout<<"Address        :    ";
                gets (add);
                while (1)
                {
                    gotoxy (3,17);
                    cout<<"Assigned Ph. No.    :    ";
                    cin>>ph;
                    if (ph != 0)
                        break;
                }
                message("Enter O for Office and R for Residentil phone");
                gotoxy (3,18);
                cout<<"category (O/R)    :    ";
                cin>>type;
            }
        }
        temp.write( (char*) this, sizeof (cust) );
    }
    fp.close();
    temp.close();
    if (toupper(ch) == 'N')
        return;
    if (!found)
    {
        cout<<"\n\nTelephone no. not found";
        getch();
        return;
    }
    fp.open ("tphone.dat", ios::out);
    temp.open ("temp.dat", ios::in);
    while ( temp.read ((char*) this, sizeof (cust) ) )
        fp.write ((char *) this, sizeof (cust) );
    fp.close();
    temp.close();
}
 
//Function to display the discription for the project working
 
void customer :: help()
{
    clrscr();
    gotoxy (35,2);
    textcolor (WHITE + BLINK);
    textbackground (BLACK);
    cprintf ("HELP");
    textcolor (BLACK);
    textbackground (WHITE);
    gotoxy (8,5);
    cout<<"Thsi software is used to create a telephone bill for the customers.";
    gotoxy (8,7);
    cout<<"There are two categories of the customers. First categories is of";
    gotoxy (8,9);
    cout<<"Resedential phones and second categories is of Office phones. Both";
    gotoxy (8,11);
    cout<<"the categories have different charges of the telephone bill. Charges";
    gotoxy (8,13);
    cout<<"of resedential phones are 80 paose per call and charges of office";
    gotoxy (8,15);
    cout<<"office phones are Rs. 1 per call. 150 call are free for each category";
    gotoxy (8,17);
    cout<<"Total bill is equal to 5% tax plus 100 rupees charges for other";
    gotoxy (8,19);
    cout<<"charges. If bill is not paid before the paticular date then penalty";    
    gotoxy (8,21);
    cout<<"should also be given.";
 
    getch();
    };
}

[weaknessforcats]

Where is the customer class defined? If the compiler hasn't seen the definition, then it cannot allow "customer".

[SSJTactics]

@weaknessforcats I have written the entire code above. Could you please see it again? The class customer is defined first thing.

[weaknessforcats]

I don't get your error at all. Instead I got dozens of other errors: there were typos, missing and misplaced braces, missing parentheses on function calls, using a struct date without defining it, using obsolete POSIX functions no longer supported, non-standard functions like gotoxy and cprint, etc.

It took a hour to get the errors corrected so the code would compile and the compiler said not a word about customer::append.

I suspect fixing the braces and fixing other errors fixed this error.

I appears you are using a pre-ANS C++ compiler making it at least 18 years old. I recommend getting a newer compiler. There have been a lot of changes in 18 years,

[madankarmukta]

I am not an expertise , but would like to work this issue.

May I please know at what line it is showing an error.

[weaknessforcats]

Debugging a program is a necessary part of learning how to code.

What you should do is compile the code.

Look at the first error and fix it. Do not fix other errors. Often one error causes others to spear so it's better just to fix the first error.

The first error is when the compiler knew it was in trouble so the actual error is anyplace from there backwards toward the top of the program.

When you fix this error, recompile and look at the first error again. Fix it. Recompile. etc...

Eventually you will fix them all.

The first error you should fix is are the braces for main(). You are missing the closing brace.