C++ Word Count Program (with sorts) Error

[Spaceman Zeta]

Trying to take a file and essentially write a program for a word counter, reading a line from a file and then extracting a word from the file, then proceeding to process a line by checking for the existence of the word. If it exists we increment the corresponding integer array by one for the count, if it does not exist we put it in the next available spot in the character array. After 20 added items to the character list we do an insertion sort and then at the end we read out each word and the count it had in a different file.

 #include <fstream>
#include <iostream>
#include <iomanip>
#include <cctype>

using namespace std;

static int counter = 0;
static int swap_counter = 0;

void add_word(char list[][30], char temp[], int count[], char holder[], char hold[]);
//adds word to list, or increments counter if found
void sort_words(char list[][30], int count[], char holder[], char hold[]);
//sorts the list, starting at the high end for 20 words
bool read_line(ifstream &fin, char line[]);
//reads a line, returns false at end of file
bool extract_word(char line[], char temp[], int &index);
//gets a word, returns false if no word found
void process_line(char list[][30], char line[], char temp[], int &index, int count[], char holder[], char hold[]);
//uses extract_word(), add_word()
bool write_list(ofstream &fout, char list[][30], int count[], char *argv[]);
//writes list to output file, returns false if file fails

int main(int argc, char * argv[])
{
	char list[10000][30] = { " " };
	char temp[30] = { " " };
	int count[10000] = { 0 };
	char line[100] = { " " };
	int index = 0;
	char swap[10000][30] = { " " };
	char hold[30] = { " " };
	bool readline = true;
	char holder[30] = { " " };

	ifstream fin;
	ofstream fout;

	if (argc != 3 && argc != 4)
	{
		cout << "Incorect usage. Must provide input and output file names. Quitting." << endl;
		return 1;
	}

	fin.open(argv[1]);

	if (!fin)

	{
		fin.close();
		cout << "There was an error opening one of the files" << endl;
		return 1;
	}

	while (readline == true)

	{
		readline = read_line(fin, line);

		process_line(list, line, temp, index, count, holder, hold);
	}

	if (readline == false)

	{
		sort_words(list, count, holder, hold);
	}

	write_list(fout, list, count, argv);
		
}

void add_word(char list[][30], char temp[], int count[], char holder[], char hold[])
{
	int i = 0;
	int j = 0;
	int k = 0;
	bool found = false;
	//check for word if existence in list

	//separate searches for first swap

	if (swap_counter == 0)
	{
		//if found increment counter 

		for (i = 0; i < 20; i++)
		{
			if (_stricmp(list[i], temp) == 0)
			{
				count[i]++;
				found = true;
				break;
			}

		}

		//if not found yet increment a counter, maybe static variable, for resorting list at 20 new words, and increment counter for sort function

		if (found == false)
		{
			for (j = 0; j < 10000 && found == false; j++)
			{
				if (list[j] == " " )
				{
					for (k = 0; k < 30; k++)
					{
						list[j][k] = temp[k];
					}
					found = true;
					counter++;
				}
			}
		}
	}
	if (counter == 20)
	{
		counter = 0;
		sort_words(list, count, holder, hold);
		swap_counter++;

	}

	//separate searches for swaps after the frist

	if (swap_counter != 0)
	{
		//if found increment counter 
		for (i = 0; i < swap_counter * 20 && found == false; i++)
		{
			if (_stricmp(list[i], temp) == 0)
			{
				found = true;
				count[i]++;
			}

			if (_stricmp(list[i], temp) > 0)
			{
				break;
			}
		}
		if (found == false)
		{
			for (j = 0; j < 10000 && found == false; j++)
			{
				if (list[j] == " ")
				{
					for (k = 0; k < 30; k++)
					{
						list[j][k] = temp[k];
					}
					found = true;
					counter++;
				}
			}
		}
		}
	if (counter == 20)
	{
		counter = 0;
		sort_words(list, count, holder, hold);

		swap_counter++;
	}



		//if not found yet increment a counter, maybe static variable, for resorting list at 20 new words, and increment counter for sort function
}
//adds word to list, or increments counter if found
void sort_words(char list[][30], int count[], char holder[], char hold[])
{
	int swap = 0;
	int i = 0;
	int j = 0;
	int k = 0; //for filling array
	int max = 20 * swap_counter;
	for (i = max; i > 0; i--)
	{
		for (j = max; j > 0; j--)
		{
			if (_stricmp(list[j], list[j - 1]) > 0)
			{
				swap = count[j];
				count[j] = count[j - 1];
				count[j - 1] = swap;
				hold = list[j];

				for (k = 0; k < 30; k++)
				{
					list[j][k] = list[j - 1][k];
				}

				for (k = 0; k < 30; k++)
				{
					list[j - 1][k] = hold[k];
				}
				
			}
		}
	}
}
//sorts the list, starting at the high end for 20 words
bool read_line(ifstream &fin, char line[])
{
	
	while (fin.getline(line, 100))
	{
		
		return true;
	}
	return false;
}
//reads a line, returns false at end of file
bool extract_word(char line[], char temp[], int &index)
{
	int i = 0;
	int j = 0;

	for (i = 0; i < 100; i++)
	{
		if (isalpha(line[i + index]))
		{
			temp[i] = line[index + i];
			index = i + index;
		}

		else if (!isalpha(line[i + index]))
		{
			break;
		}
	}

	for (j = i; !isalpha(line[i + index]); j--)
		{
				temp[j] = '\0';
		}

	return true;
}
//gets a word, returns false if no word found
void process_line(char list[][30], char line[], char temp[], int &index, int count[], char holder[], char hold[])
{

	extract_word(line, temp, index);
	add_word(list, temp, count, holder, hold);

}
//uses extract_word(), add_word()
bool write_list(ofstream &fout, char list[][30], int count[], char *argv[])
{
	int i = 0;
	fout.open(argv[2]);
	
	for (i = 0; i < 10000 && count[i] != 0; i++)
	{
		fout << list[i] << "\t" << count[i] << endl;
	}

	if (!fout)
	{
		return false;
	}
	return true;
}
//writes list to output file, returns false if file fails