process_communication
.....................\alarm.c
.....................\alarm.c.bak
.....................\fifo_read.c
.....................\fifo_read.c.bak
.....................\fifo_write.c
.....................\fifo_write.c.bak
.....................\kill.c
.....................\kill.c.bak
.....................\mysignal.c
.....................\mysignal.c.bak
.....................\obj
.....................\...\alarm
.....................\...\fifo_read
.....................\...\fifo_write
.....................\...\kill
.....................\...\mysignal
.....................\...\pipe
.....................\...\pipe_rw
.....................\...\popen
.....................\...\sigaction
.....................\pipe.c
.....................\pipe.c.bak
.....................\pipe_rw.c
.....................\pipe_rw.c.bak
.....................\popen.c
.....................\popen.c.bak
.....................\sigaction.c
.....................\sigaction.c.bak
.....................\tmp
.....................\...\myfifo