非常有用的fifo源码

				vti_encoding:SR|utf8-nl
				vti_author:SR|dk
				vti_modifiedby:SR|dk
				vti_timecreated:TR|17 Feb 2000 06:24:40 -0000
				vti_timelastmodified:TR|17 Feb 2000 06:24:40 -0000
				vti_extenderversion:SR|4.0.2.2717
				vti_syncwith_www.free-ip.com\:80/ramlib:TR|17 Feb 2000 06:24:40 -0000