conversion from `double' to non-scalar type requested and some other errors [closed]

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Please read my code, and help me to debug it. because Dev-C++ finds a lot of errors....

#include<iostream.h>
#include<conio.h>
using namespace std;

struct iWorker{
       double salary;
}

double calSalary(iWorker worker){
    double money = worker.salary;
    return money;
}

int main(){
    iWorker worker;

    cout << "Enter salary: ";
    cin >> worker.salary;

    double salary = calSalary(worker, 0);
    cout << salary;

    getch();
    return 0;
}

and errors:

9: error: new types may not be defined in a return type
9: error: two or more data types in declaration of `calSalary'
 In function `iWorker calSalary(iWorker)':
11: error: conversion from `double' to non-scalar type `iWorker' requested

 In function `int main()':
9: error: too many arguments to function `iWorker calSalary(iWorker)'
20: error: at this point in file
20: error: cannot convert `iWorker' to `double' in initialization

Thank you ...

---

You're missing a ; after your struct declaration:

struct iWorker{
   ...
};  // <- this one here

---

struct iWorker{
       int id;
       char name[100];
       float hours;
       double salary;
} <--- missing semicolon here ...

---

Damn, I was too late. But you also have a possible buffer overrun in this line:

cin >> worker.name;

Why don't you use std::string?