pipe\mainfifo.c
....\Makefile
....\pipeconf.c
....\client.c
....\server.c
....\test1.c
....\mainpopen.c
....\server_main.c
....\fifo.h
....\client_main.c
....\test2.c
....\mainpipe.c
....\fduplex.c
....\unpipc.h
pipe