[Dev-C++] Read a line

[<co...@di...>]

Hi,
how can I read one by one line  from a file?
The matrix is double but should I compare what I am reading with '\r' or '\n', how if
they're different types?
I've tried fread but I have to define how many bytes I'm going to
read (isn't it?) but the size 
of the matrix is dinamicaly allocated.
Tks in advance for any help.
Maria