$NetBSD: patch-af,v 1.2 2005/05/01 10:34:49 jdc Exp $
--- robot.c.dist	1994-03-22 11:06:17.000000000 +0000
+++ robot.c	2005-04-05 15:25:37.000000000 +0100
@@ -49,7 +49,11 @@
 extern void ident_player(void);
 
 #ifdef HAVE_FDSET
+#  ifdef Linux
+  fd_set readmask;
+#  else
 struct fd_set readmask;
+#  endif
 #else
 struct fd_mask readmask;
 #endif
@@ -97,7 +101,7 @@
  #ifdef RS6000 /* ibm rs/6000 */
    sigemptyset(&vec.sa_mask);
  #else
-  vec.sa_mask = 0;
+   (void)sigprocmask (SIG_SETMASK, 0, NULL);
  #endif
   vec.sa_flags = 0;
   if ( sigaction(SIGIO, &vec, (struct sigaction *) 0) == -1)
@@ -139,7 +143,11 @@
   int	numfds;
 
 #ifdef HAVE_FDSET
+#  ifdef Linux
+  fd_set readmask1;
+#  else
   struct fd_set readmask1;
+#  endif
 #else
   struct fd_mask readmask1;
 #endif