added stubs for the termios speed control functions

they are stubs because the BeOS does not support them


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3174 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/libroot/posix/termios/termios.c

@@ -75,3 +75,36 @@ tcsendbreak(int fd, int duration)
 	return 0;
 }
 
+
+
+/*
+ * The following four "speed control" functions are not supported
+ * in the BeOS. But the interface is still part of the Posix
+ * terminal IO specification, so they are implemented here as
+ * stub functions for basic compliance.
+ */
+
+speed_t
+cfgetispeed(const struct termios *term)
+{
+	return (speed_t)0;
+}
+
+int
+cfsetispeed( struct termios *term, speed_t speed)
+{
+	return 0;
+}
+
+speed_t
+cfgetospeed(const struct termios *term)
+{
+	return (speed_t)0;
+}
+
+int
+cfsetospeed( struct termios *term, speed_t speed)
+{
+	return 0;
+}
+