#include "ring.h"
+#include "fdset.h"
+
#include "defines.h"
#include "externs.h"
#include "types.h"
-#ifndef FD_SETSIZE
-/*
- * The following is defined just in case someone should want to run
- * this telnet on a 4.2 system.
- *
- */
-
-#define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n)))
-#define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n)))
-#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n)))
-#define FD_ZERO(p) ((p)->fds_bits[0] = 0)
-
-#endif
-
int
tout, /* Output file descriptor */
tin, /* Input file descriptor */