strlen probs

this is me code, i need strlen to recognise the sapces, how do you do this.

Code:

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#include <iostream>
#include <fstream>

using namespace std;

int main () {


        char * buffer;
        char tbuffer[100];
        int len;
        int leng;

        ofstream a;
        a.open("test.txt",ios::binary);

cout<<"please type a sentence > ";
cin>> tbuffer;
len=strlen(tbuffer);
a.write(tbuffer,len);
tbuffer[len]=0;
cout<< strlen(tbuffer);
cin.get();
a.close();


}

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It's not strlen that gives you a wrong result its's the operator >> that doesn't read strings containing spaces.
You have to use getline() to read a whole line of text including spaces.
Kurt

can you show me an example cause i don't want to read the line i need the number of letters

ok i see what you are saying

cin>> won't read the spaces
use getline

cool cheers

but i'm using binary mode on my io,,, which doesn't recognise getline....

what should i use instead

dont use ios::binary leave that parameter out then try cin.getline(tbuffer);

what is the difference between binary and no binary LOL...

Basically it's just the way the end of line is handled. in textmode if you read or write a '\n' from or to the stream the '\n' is translated to whatever end of line marks your OS uses. In binary mode this translation is not done.
Kurt