+
+void
+privsep_challenge_enable(void)
+{
+#if defined(BSD_AUTH) || defined(USE_PAM) || defined(SKEY)
+ int n = 0;
+#endif
+#ifdef BSD_AUTH
+ extern KbdintDevice mm_bsdauth_device;
+#endif
+#ifdef USE_PAM
+ extern KbdintDevice mm_sshpam_device;
+#endif
+#ifdef SKEY
+ extern KbdintDevice mm_skey_device;
+#endif
+
+#ifdef BSD_AUTH
+ devices[n++] = &mm_bsdauth_device;
+#else
+#ifdef USE_PAM
+ devices[n++] = &mm_sshpam_device;
+#endif
+#ifdef SKEY
+ devices[n++] = &mm_skey_device;
+#endif
+#endif
+}