第二篇
......\Exam045
......\.......\varstruct.c
......\Exam046
......\.......\arrstruct.c
......\Exam047
......\.......\strpoint.c
......\Exam048
......\.......\strparray.c
......\Exam049
......\.......\union.c
......\Exam050
......\.......\enum.c
......\Exam051
......\.......\chario.c
......\Exam052
......\.......\stringio.c
......\Exam053
......\.......\formato.c
......\Exam054
......\.......\formati.c
......\Exam055
......\.......\fileio.c
......\Exam056
......\.......\file.txt
......\.......\test.c
......\Exam057
......\.......\rewind.c
......\.......\test.txt
......\Exam058
......\.......\fread.c
......\.......\test
......\Exam059
......\.......\fprintf.c
......\.......\test
......\Exam060
......\.......\fseek.c
......\Exam061
......\.......\ferror.c
......\Exam062
......\.......\commu.c
......\Exam063
......\.......\dynamic.c
......\Exam064
......\.......\time.c
......\Exam065
......\.......\convert.c
......\Exam066
......\.......\search.c
......\Exam067
......\.......\jump.c
......\Exam068
......\.......\sort.c
......\Exam069
......\.......\rand.c
......\Exam070
......\.......\change.c