角色计数程序无限循环

我似乎正在陷入我正在为课堂上处理的角色计数程序上的无限循环。请看一下，让我知道我需要改进的地方。我已经在这件事上工作了一段时间，并继续遇到相同的情况。谢谢。

#include <iostream>
#include <ctype.h>
using namespace std;
int WordLength();
void DisplayCount(int wordCount[]);
int main()
{
    int L;
    int Num_of_Char[16]={0};
    cout<<"Please enter some text:n";
    L=WordLength();
    while (L)
    {
        L=WordLength();
        Num_of_Char[L]+=1;
    }
    DisplayCount(Num_of_Char);
}
/***************************************WordLength*******************************************
*   Action:         Analyzes the text that has been entered and decides what is and isn't   *
*                   a word (mainly by separating words by whitespaces and not accepting     *
*                   most punctuation as part of a word with the exception of hyphens which  *
*                   carry a partial word to the next line as well as apostrophes.           *
*                                                                                           *
*   Parameters:                                                                             *
*       IN:                                                                                 *
*                                                                                           *
*       OUT:                                                                                *
*                                                                                           *
*                                                                                           *
*   Returns:        The length of each word.                                                *
*                                                                                           *
*   Precondition:                                                                           *
*********************************************************************************************/
int WordLength()
{
    char ch;
    int End_Of_Word=0, Length=0; 
    ch=cin.get();
    while((!cin.eof())||(!End_Of_Word))
    {
        while (!isspace(ch))    //Spaces are delimeters of words
        {
            if(isalnum(ch))     //if current character is a alpha numeric character it is counted as part of the word
            {
                ++Length;
                cin.get(ch);
            }
            if ((ch==''')&&(isalnum(cin.peek())))  //apostrophes are counted as part of the word
            {
                ++Length;
            }
            if ((ch=='-')&&(isalnum(cin.peek()=='n'))) //the hyphen as part of the word if followed by newline
            {
                ++Length;
            }
            if((isspace(ch))||(ispunct(ch))||(ch=='n'))
            {
                ++End_Of_Word;
            }
        }
    }
    return Length;
}

/***************************************DisplayCount*****************************************
*   Action:         Displays how many words have a specific character count between 1 and   *
*                   15 characters. Then displays the average word character size.           *
*                                                                                           *
*   Parameters:                                                                             *
*       IN:         wordArray, which points to the array that holds the count of each word's*
*                   character size.                                                         *
*                                                                                           *
*       OUT:        Displays the array contents in a grid style as well as an average       *
*                   word size based on the contents of the array.                           *
*                                                                                           *
*   Returns:                                                                                *
*                                                                                           *
*   Precondition:   wordArray points to an int array                                        *
*********************************************************************************************/
void DisplayCount(int wordArray[])
{
    double sum = 0;
    cout<<"tWord Lengthtt"<<"Frequencyn";
    cout<<"t-----------tt"<<"---------n";
    for(int i=1; i<16; i++) 
    {
        cout<<"t     "<<i<<"ttt    "<<wordArray[i]<<endl;   //Displays the contents of each element
        sum+=(i*wordArray[i]);  //Keeps a running total of contents of array
    }
    cout<<"tAverage word length:  "<<sum/(15)<<endl;       //Displays the average word length
}