how to ignore the [enter] key?

hi Im trying to do is something should be simple:
I wish to ignore the [enter] key....'\n'
my test is Like this
>
/*di.cpp*/
#include <cstdio>
#include <cstdlib>
#include <iostream>
using namespace std;
int main(void)
{
setvbuf(stdin, NULL, _IONBF, 0);
while ( cin.peek()!='\n'){cout.put(cin.get())<<endl;}
return 0;
>
}
>
then I try
aguai@home:~/cpp$ ./a.out
please dont...
p
l
e
a
s
e
>
d
o
n
t
.
.
.
>
but what i hope is like
aguai@home:~/cpp$ ./a.out
p
l
e
a
s
e
>
d
o
n
t
.
.
.
<push enter and exit....>
>
is that possible to be done with a ansi C/C++ function?
thanx