Restore the descriptions to conform with the rest of the

documentation.  We'll work on better documents after the release of
0.9.6.

doc/crypto/BIO_s_fd.pod

@@ -20,6 +20,20 @@ BIO_s_fd, BIO_set_fd, BIO_get_fd, BIO_new_fd - file descriptor BIO
 BIO_s_fd() returns the file descriptor BIO method. This is a wrapper
 round the platforms file descriptor routines such as read() and write().
 
+BIO_read() and BIO_write() read or write the underlying descriptor.
+BIO_puts() is supported but BIO_gets() is not.
+
+If the close flag is set then then close() is called on the underlying
+file descriptor when the BIO is freed.
+
+BIO_reset() attempts to change the file pointer to the start of file
+using lseek(fd, 0, 0).
+
+BIO_seek() sets the file pointer to position B<ofs> from start of file
+using lseek(fd, ofs, 0).
+
+BIO_tell() returns the current file position by calling lseek(fd, 0, 1).
+
 BIO_set_fd() sets the file descriptor of BIO B<b> to B<fd> and the close
 flag to B<c>.
 
@@ -31,15 +45,6 @@ BIO_new_fd() returns a file descriptor BIO using B<fd> and B<close_flag>.
 
 =head1 NOTES
 
-If the close flag is set then then close() is called on the underlying
-file descriptor when the BIO is freed.
-
-BIO_reset() attempts to change the file pointer to the start of file
-using lseek(fd, 0, 0).
-
-BIO_read() and BIO_write() read or write the underlying descriptor.
-BIO_puts() is supported but BIO_gets() is not.
-
 The behaviour of BIO_read() and BIO_write() depends on the behavior of the
 platforms read() and write() calls on the descriptor. If the underlying 
 file descriptor is in a non blocking mode then the BIO will behave in the
@@ -53,6 +58,11 @@ instead.
 
 BIO_s_fd() returns the file descriptor BIO method.
 
+BIO_reset() returns zero for success and -1 if an error occurred.
+BIO_seek() and BIO_tell() return the current file position or -1
+is an error occurred. These values reflect the underlying lseek()
+behaviour.
+
 BIO_set_fd() always returns 1.
 
 BIO_get_fd() returns the file descriptor or -1 if the BIO has not

doc/crypto/BIO_s_file.pod

@@ -28,6 +28,23 @@ BIO_s_file() returns the BIO file method. As its name implies it
 is a wrapper round the stdio FILE structure and it is a
 source/sink BIO.
 
+Calls to BIO_read() and BIO_write() read and write data to the
+underlying stream. BIO_gets() and BIO_puts() are supported on file BIOs.
+
+BIO_flush() on a file BIO calls the fflush() function on the wrapped
+stream.
+
+BIO_reset() attempts to change the file pointer to the start of file
+using fseek(stream, 0, 0).
+
+BIO_seek() sets the file pointer to position B<ofs> from start of file
+using lseek(stream, ofs, 0).
+
+BIO_eof() calls feof().
+
+Setting the BIO_CLOSE flag calls fclose() on the stream when the BIO
+is freed.
+
 BIO_new_file() creates a new file BIO with mode B<mode> the meaning
 of B<mode> is the same as the stdio function fopen(). The BIO_CLOSE
 flag is set on the returned BIO.
@@ -42,26 +59,17 @@ meaning as in BIO_new_fp(), it is a macro.
 
 BIO_get_fp() retrieves the fp of a file BIO, it is a macro.
 
+BIO_seek() is a macro that sets the position pointer to B<offset> bytes
+from the start of file.
+
+BIO_tell() returns the value of the position pointer.
+
 BIO_read_filename(), BIO_write_filename(), BIO_append_filename() and
 BIO_rw_filename() set the file BIO B<b> to use file B<name> for
 reading, writing, append or read write respectively.
 
 =head1 NOTES
 
-Calls to BIO_read() and BIO_write() read and write data to the
-underlying stream. BIO_gets() and BIO_puts() are supported on file BIOs.
-
-BIO_flush() on a file BIO calls the fflush() function on the wrapped
-stream.
-
-BIO_reset() on a file BIO calls fseek() to reset the position indicator
-to the start of the file.
-
-BIO_eof() calls feof().
-
-Setting the BIO_CLOSE flag calls fclose() on the stream when the BIO
-is freed.
-
 When wrapping stdout, stdin or stderr the underlying stream should not
 normally be closed so the BIO_NOCLOSE flag should be set.
 
@@ -111,6 +119,11 @@ occurred.
 BIO_set_fp() and BIO_get_fp() return 1 for success or 0 for failure
 (although the current implementation never return 0).
 
+BIO_seek() returns the same value as the underlying fseek() function:
+0 for success or -1 for failure.
+
+BIO_tell() returns the current file position.
+
 BIO_read_filename(), BIO_write_filename(),  BIO_append_filename() and
 BIO_rw_filename() return 1 for success or 0 for failure.