Can anybody help me in solving assignment number 9.I tried to write the sub functions for the given question

#include<stdio.h>
#include<conio.h>

void createAccount();
void viewBalance();
void withDraw();
void depositAmount();

main(){

}

void createAccount()
{

}
void viewBalance()
{

}
void withDraw()
{

}

void depositAmount()
{

}