i already did not turn in this lab but it is killing me. tell me why I am getting so many errors....

//This is the most confusing program in the world. I was not trained 
//correctly for this. But as long as the proffesor gives me the code 
//i can do it. a wast of time.
#include <iostream>
#include <stdio.h>
using namespace std;

    //defining rates i do not know when to ad double??


    //prototyp declaration: getInfo, time, rate, charge, print
    void getInfo (char *vehicle, int *hourIn, int *minIn, 
                  int *hourOut, int *minOut);
    void time (int *hourIn, int *hourOut, int *minIn, int *minOut,
               int *hourParkTime, int *minParkTime, int *roundedTotal,
               int *round);
    void rate (int vehicle, int *units, float *firstRate, float *secondRate);
    void charge (int roundedTotal, int units, float firstRate, 
                 float secondRate, float *totalCharge);
    void print (char vehicle, int hourIn, int minIn, int hourOut, int minOut,
                int hourParkTime, int minParkTime, int roundedTotal, 
                float totalCharge);

    //global definitions//
    char vehicle;
    int units;
    int hourIn;
    int minIn;
    int hourOut;
    int minOut;
    int hourParkTime;
    int minParkTime;
    int roundedTotal;
    int round;
    float firstRate;    
    float secondRate;
    float totalCharge;
    const double firstCarRate = 0.00;
    const double secondCarRate = 1.25;
    const double firstBusRate = 2.00;
    const double secondBusRate = 2.50;
    const double firstTruckRate = 3.75;




    int main()
    {
        void getInfo (char &vehicle, int &hourIn, int &minIn, 
                      int &hourOut, int &minOut);
        void time (int hourIn, int hourOut, int minIn, int minOut,
                   int &hourParkTime, int &minParkTime, int &roundedTotal,
                   int &round);
        void rate (int vehicle, int &units, float &firstRate, float &secondRate);
        void charge (int roundedTotal, int units, float firstRate, 
                     float secondRate, float &totalCharge);
        void print (char vehicle, int hourIn, int minIn, int hourOut, int minOut,
                    int hourParkTime, int minParkTime, int roundedTotal, 
                    float totalCharge);
        return 0;
    }
        //Validate user input
        if (minIn <= 0)
                cout << minIn << "\n\a is not a invalid time.\n";
                cout << "Run the program again  and enter a time in the range\n";
                cout << "00.00 to 23.59\n";


        if (minOut > 23.59)
                cout << "\n\a**Please adjust time there is no over night parking. **\n";


        //getInfo
        void getInfo (char *vehicle, int *hourIn, int *minIn, 
                  int *hourOut, int *minOut)

        //statements
        cout << "Type of vehicle? ";
        cin >> *vehicle;
        cout << "Hour vehicle entered lot ";
        cin >> *hourIn;
        cout << "Minute vehicle entered lot ";
        cin >> *minIn;
        cout << "Hour vehicle left lot ";
        cin >> *hourOut;
        cout << "Minute vehicle left lot ";
        cin >> *minOut;
        return;

        //time

    void time(int hourIn, int hourOut, int minin, int minout, int
              *hourParktime, intminParktime, int*roundedTotal,int *round,
              int *hourParkTime, int*minParkTime, int*roundedTotal, int*round
        if (minOut < minIn)
        {
                minOut = minOut + 60
                hourOut = hourOut;
        }
        else
        *hourParkTime = hourOut - hourIn;
        *minParkTime = minOut - minIn;
        if (*minParkTime >= 1)
        {
                *rounded = *hourParkTime+1;
                *roundedTotal = *round;
        }
        else
        {
            *round = *hourParkTime;
            *roundedTotal = *round;
        }

        //rate
        void rate(char vehicle, int * units, float *firstRate, float *secondRate)

        switch (vehicle)
        {
        case 'c':
        case 'C': * units = 3;
                *firstRate = firstCarRate;
                *secondRate = secondCarRate;
                break;
        case 't':
        case 'T':* units = 2;
                *firstRate = firstTruckRate;
                *secondRate = secondTruckRate;
                break;
        case 'b':
        case 'B': *units = 1;
        *firstRate = firstBusRate;
        *secondRate = secondBusRate;
        break;
        default: cout << "You did not enter T, B, or C!\n";
        return;
        }



    //charge
    void charge (int roundedTotal, int units, float firstRate, float secondRate,
                 float *totalCharge)
    {
        if (roundedTotal <= units)
            *totalCharges = roundedTotal * firstRate
        else
        *totalCharges = (units * firstRate) + (roundedTotal * secondRate);
        return;
    }
    //print bill
    void print (char vehicle, int hourIn, int mainIn, int hourOut,
                int minOut, int hourParkTime, int minParkTime, 
                int roundedTotal, float totalCharge)
    { 
    printf("\nPARKING LOT CHARGE\n\n");
    printf("\nType of vehicle\n", vehicle);
    printf("\nTIME IN: %d:%d\n", hourIn, minIn);
    printf("\nTIME OUT: %d:%d\n", hourOut, minOut);
    printf("\n---------------\n");
    printf("\nParking Time: %d:%d\n", hourParkTime, minParkTime);
    printf("\nRounded Total: %d\n", roundedTotal);
    printf("\n---------------\n");
    printf("TOTAL CHARGE: %d\n", totalCharge);
    return;
    }
    return 0;
}

Following two simple steps and I am sure you will get help in here.

  1. Embed your code in "Your Source Code Here"
  2. Post the error messages.
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