поиск слова в тектовом файле

#include <iostream>
#include <fstream>
#include <string>
#include <vector>

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    vector<string> words;
    string textline,file_name;
    cout<<"Input file path ..."<<endl;
    cin>>file_name;
    ifstream infile(file_name.c_str(),ios::in);
    if(!infile){
               cerr<<"Error..."<<endl;
    }else cout<<endl;
    while(getline(infile,textline,' ')){
        words.push_back(textline);
    }
    cout<<"Open file"<<endl;
    for(int i = 0;i<words.size();++i){
        cout<<words<<' ';
    }
    string str;
    cout<<"Input word"<<endl;
    cin>>str;
    int count = 0;
    for(int i = 0;i<words.size();++i){
        if(words == str){
          ++count;
        }
    }
    if(count)
        cout<<"results : "<<count<<" words"<<endl;
    else
        cout<<"not found"<<endl;
    return 0;
}

bash-3.1 $  g++ -o dict.out dict.cpp
In file included from /usr/lib/gcc/i486-slackware-linux/3.4.6/../../../../include/c++/3.4.6/backward/fstream.h:31,
                 from dict.cpp:5:
/usr/lib/gcc/i486-slackware-linux/3.4.6/../../../../include/c++/3.4.6/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <iostream> instead of the deprecated header <iostream.h>. To disable this warning use -Wno-deprecated.
dict.cpp: In function `int main()':
dict.cpp:15: error: no matching function for call to `std::basic_fstream<char, std::char_traits<char> >::getline(std::string&, int)'
/usr/lib/gcc/i486-slackware-linux/3.4.6/../../../../include/c++/3.4.6/bits/istream.tcc:582: note: candidates are: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::getline(_CharT*, std::streamsize, _CharT) [with _CharT = char, _Traits = std::char_traits<char>]
/usr/lib/gcc/i486-slackware-linux/3.4.6/../../../../include/c++/3.4.6/istream:399: note:                 std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::getline(_CharT*, std::streamsize) [with _CharT = char, _Traits = std::char_traits<char>]

int main() {
    string str01, str02, str03_buf;
    fstream file_op("dict.txt");
    cout<<"Vvedite slovo : "<<endl;
    cin>>str01;
    while(file_op.eof()) {
        file_op.getline(str02, 300);
        int i=0;
        while(str02!='=') {
            str03_buf=str02;
            i++;
        }
        if(str01==str03_buf) {
            while(str02!=';') {
                cout<<str02;
                i++;
            }
        }
    }
    cout<<endl;
    return 0;
}