* sysdep.c (select): There's no need to cast the return value of

* sysdep.c (select): There's no need to cast the return value of
    	signal anymore, since we have the SIGTYPE macro defined.

	* sysdep.c (read_input_waiting): When scanning for quit
    	characters, use the value of quit_char, rather than assuming that
    	C-g is the quit character.  And don't forget to declare i.

	* sysdep.c [USG5]: Don't include fcntl.h.