PLEASE USE THE FOLLOWING PROGRAM DEFINE FUNCTIONS.

DO NOT MODIFY THE FUNCTIONS.

MAKE SURE THE OUTPUT IS THE SAME AS THE SAMPLE OUTPUT.

USE 2019 VISUAL STUDIOS PROGRAMMING IN C.

#define _CRT_SECURE_NO_WARNINGS //for Visual Studio compiler #pragma warning(disable:6031) //ignore scanf warnings

#define _CRT_SECURE_NO_WARNINGS //for Visual Studio compiler #pragma warning(disable:6031) //ignore scanf warnings

#include //for printf and scanf #include //for tolower function

//function prototypes

void Greeting(); //welcome the user to the gas station app

void ViewAndGetSelection(char* selectionPtr); //input: the user's selection (input/output parameter) //display the program options and get the users selection //use an input/output parameter for the selection

void ProcessSelection(char selection, double* balancePtr); //input: the user's selection by copy (input parameter) //input: the account balance (input/output parameter) //display a message that the selection has been entered //display the balance when the user enters 'b' //allow the user to add money to the account when the user enters 'u'

int main() { char choiceInMain; double balanceInMain = 0.00;

//call the greeting function

//view and get the selection - function call //change the selection to lower or upper case //make sure the user did not enter q to quit while (choiceInMain != 'q') { //process the selection //view and get the next selection //change the selection to lower or upper case }

//say goodbye to the user // do not forget to return SUCCESS }

//function definitions

void Greeting() //welcome the user to the coffee shop { printf("Welcome to the fuel app "); printf("We offer convenient gas purchasing "); }

Sample Output: Welcome to the fuel app We offer convenient gas purchasing **** *** ***** What would you like to do? Please select from the following options: 'G' to view the gas prices 'P' to purchase gas 'B' to view your account balance 'U' to add money to your account 'Q' to Quit Enter your selection: g You selected g Here you will display the gas prices ****** What would you like to do? Please select from the following options: 'G' to view the gas prices 'P' to purchase gas 'B' to view your account balance 'U' to add money to your account 'Q' to Quit Enter your selection: p You selected p Here you will make a purchase ******** What would you like to do? Please select from the following options: 'G' to view the gas prices 'P' to purchase gas 'B' to view your account balance 'U' to add money to your account 'Q' to Quit Enter your selection: b You selected b Your current account balance is $0.00 ****** ******* What would you like to do? Please select from the following options: 'G' to view the gas prices 'P' to purchase gas 'B' to view your account balance 'U' to add money to your account 'Q' to Quit Enter your selection: u You selected u How much do you want to add? 50.00 'G' to view the gas prices 'P' to purchase gas 'B' to view your account balance 'U' to add money to your account 'Q' to Quit Enter your selection: x You selected x x That is not a valid option **** ******** *** *** What would you like to do? Please select from the following options: 'G' to view the gas prices 'P' to purchase gas 'B' to view your account balance 'U' to add money to your account 'Q' to Quit Enter your selection: 9 Have a great day