date and time created 87/11/23 11:14:09 by minshall

SCCS-vsn: usr.bin/telnet/fdset.h 1.1

diff --git a/usr/src/usr.bin/telnet/fdset.h b/usr/src/usr.bin/telnet/fdset.h
new file mode 100644 (file)
index 0000000..c3eae0e
--- /dev/null
+++ b/usr/src/usr.bin/telnet/fdset.h
@@ -0,0 +1,14 @@
+/*
+ * The following is defined just in case someone should want to run
+ * this telnet on a 4.2 system.
+ *
+ */
+
+#ifndef        FD_SETSIZE
+
+#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