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 eof()                   Test for End of File

 #include <io.h>

 int        eof(handle);
 int        handle;                      Handle referring to open file

    eof() checks the file associated with 'handle' to find out whether
    end-of-file has been reached.

       Returns:      1   End of file reached
                     0   Current position is not end of file
                    -1   An error occurred.

                    On error, 'errno' is set to:

                        EBADF:        a bad file handle.

   -------------------------------- Example ---------------------------------

    The following statements open a file for reading then count the
    number of bytes read until end of file is reached.

           #include <io.h>
           #include <fcntl.h>

           int fhndl, count, totalbytes;
           char buff[1000];

           main()
           {
               fhndl = open("data",O_RDONLY);
               totalbytes = 0;
               while (!eof(fhndl)) {
                   count = read(fhndl, buff, 10);
                   totalbytes += count;
               }
           }