=head1 DESCRIPTION
-BIO_f_socket() returns the socket BIO method. This is a wrapper
+BIO_s_socket() returns the socket BIO method. This is a wrapper
round the platform's socket routines.
BIO_read() and BIO_write() read or write the underlying socket.
BIO_set_fd() always returns 1.
-BIO_get_fd() returns the file descriptor or -1 if the BIO has not
-been initialised.
+BIO_get_fd() returns the socket or -1 if the BIO has not been
+initialised.
BIO_new_socket() returns the newly allocated BIO or NULL is an error
occurred.