Где здесь ошибки? Файлы

#include <fstream>
#include <iostream>
#include <cstring>
using namespace std;
int main() {
const int len = 100;
char word[len], line[len];
char simv[] = ".,!?";
cout << "Vvedite slovo: "; cin >> word;
ifstream fin( "text.txt" );
if ( !fin ) { cout << "Oshibka." << endl; 
return 1; }
int count = 0;
while ( fin.getline( line, len ) ) {
char *token = strtok( line, simv ); 
while( token != NULL ) {
    
if ( !strcmp ( token, word ) )count++; 
token = strtok( NULL, simv ); 
 
}
cout<<line<<endl;
}
cout << "Kol-vo vhozhdeniy slova: " << count << endl;
}

const int len = 100;

const int len = 1000;

char simv[] = ".,!? ";

#include <fstream>
#include <iostream>
#include <cstring>
using namespace std;
 
int main() {
    const int len = 1000;
    char word[len], line[len];
    char simv[] = ".,!? ";
    cout << "Vvedite slovo: "; cin >> word;
    ifstream fin( "text.txt" );
    if ( !fin ) { cout << "Oshibka." << endl; 
    return 1; }
    int count = 0;
    while ( fin.getline( line, len ) ) {
        char buff[len];
        strcpy(buff, line);
        char *token = strtok( line, simv ); 
        while( token != NULL ) {
 
            if ( !strcmp ( token, word ) ) { count++; cout << buff << endl; } 
            token = strtok( NULL, simv ); 
 
        }
        //cout<<line<<endl;
    }
    cout << "Kol-vo vhozhdeniy slova: " << count << endl;
}