Homework & Coursework Questions

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include <ctype.h>

int BackGroundProgram()
{
    char ch;
    do
    {
        char YourWord[100],b=0; // Array for the word that will be used
        int i; // variable
        int number; 
        int letters;
        int length;
        printf("Enter string to calculate the length:\n");  //Asking for User Input
        scanf("%s",(YourWord)); // Scan for user input

        for( i = 0; YourWord[ i ]; i++) 
            YourWord[ i ] = tolower(YourWord[ i ] ); //Make uppercase letters the same as lowercase ones


        length = strlen(YourWord); // Calculate string length and store to variable length
        printf("\n Length of the string = %d characters\n",length); //Display the length of the string

        for(letters=33;letters<=126;letters++) //for loop to know the number of times a letter has occured
        {
            number=0;
            b=0;
            for(i=0;YourWord[i]!=0;i++)
            {
                if(letters==YourWord[i])
                {
                    number++;
                    b=1;
                }
            }
            if(b==1)

                printf("Number of times char %c occurred = %d time(s) and Percentage = %d%%"
                ,letters,number,number*100/length);
        }
        printf("\n Do you wish to try again continue (y/n) = \n"); //Check to see if the user wishes to go again.
        scanf("%e");
    }
    while('y' ||'Y');
    exit (0);
}


int main()
{
    BackGroundProgram();
}