File list (Check if you may need any files):
srcs
....\cmdline
....\.......\1
....\.......\.\getopt-short.c
....\.......\.\Makefile
....\.......\2
....\.......\.\getopt-long.c
....\.......\.\Makefile
....\.......\Makefile
....\fork
....\....\1
....\....\.\Makefile
....\....\.\procsmess.c
....\....\2
....\....\.\forkvswaitpid.c
....\....\.\Makefile
....\....\Makefile
....\ipc__msgqueues
....\..............\1
....\..............\.\dropone.c
....\..............\.\Makefile
....\..............\.\takeone.c
....\..............\2
....\..............\.\Makefile
....\..............\.\msgqattrs.c
....\..............\Makefile
....\ipc__nampipes
....\.............\Makefile
....\.............\nampipes.c
....\ipc__pipes
....\..........\Makefile
....\..........\pipes.c
....\ipc__semaphores
....\...............\Makefile
....\...............\semaphore.c
....\ipc__shm
....\........\1
....\........\.\Makefile
....\........\.\shm_msgclient.c
....\........\.\shm_msgserver.c
....\........\2
....\........\.\Makefile
....\........\.\shm_anon_bsd.c
....\........\Makefile
....\ipc__signals
....\............\Makefile
....\............\sig_purgechilds.c
....\ipc__sockets
....\............\1
....\............\.\Makefile
....\............\.\udpserv.c
....\............\2
....\............\.\Makefile
....\............\.\unixcli.c
....\............\Makefile
....\Makefile
....\regexp
....\......\Makefile
....\......\qegrep.c
....\threads
....\.......\1
....\.......\.\Makefile
....\.......\.\simple_threads.c
....\.......\2
....\.......\.\Makefile
....\.......\.\simple_mutex.c
....\.......\Makefile