Behavior of fwrite(), fseek(), fflush() if the file gets deleted after being opened.

Hi
I am using Red Hat linux 9 and gcc 3.4.
I am writing an application in C with file handling. The application
opens a file(creates it at run time) using fopen() in binary write
mode. The file is open until the application exits.

The application starts and opens(creates) a file, and waits for an
input to be written to the file.
I delete the file using rm -f <filename> as soon as the application
starts before I give it an input to the application(just to clarify, I
delete it from a different terminal, without stopping the application
to wait for an input).
Now I give the input and debug through the application, I find that
the fseek(), fwrite(), fflush() calls in the application for writing
to the file do not throw error even though the file is not existant.
I cannot understand, where is that data written. If it is wriiten to
the buffer, then fflush() should have reported error. But it also
succeeds.
Please, help me in clarifying the point where I am incorrect.

Thanks
Aditya
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