want to declare an ifstream as part of my class


whne I declare a member of type ifstream in my class, I get errors such as:

error: within this context
/usr/lib/gcc/i386-redhat-linux/3.4.2/../../../../include/c++/3.4.2/streambuf: In member function `std::basic_filebuf<char, std::char_traits<char> >& std::basic_filebuf<char, std::char_traits<char> >::operator=(const std::basic_filebuf<char, std::char_traits<char> >&)':
/usr/lib/gcc/i386-redhat-linux/3.4.2/../../../../include/c++/3.4.2/streambuf:776: error: `std::basic_streambuf<_CharT, _Traits>& std::basic_streambuf<_CharT, _Traits>::operator=(const std::basic_streambuf<_CharT, _Traits>&) [with _CharT = char, _Traits = std::char_traits<char>]' is private

and this happens if I just declare something of type ifstream as one of my public member variables , like so:

#include <iostream>
#include <fstream>
using namespace std;

    void blabla()
    ifstream infile;

I'm on a linux, why doesnt it like this?????
Thank you in advance!!
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lost_bits1110Author Commented:
ok i realize now i dont need to declare it in my file but now i get

*** glibc detected *** double free or corruption:

You haven't writteh .h in the Header Files Probably

you must write

# include <iostream.h>
# include <fstream.h>

and then check the lib path of the c++ header files

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Can you echo the lib path
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