新建文件夹
..........\f1.txt
..........\fgetc和fputc.c
..........\fgets和fputs.c
..........\fscanf和fprintf.c
..........\fwr.c
..........\guandaow.c
..........\pipeline.c
..........\test.txt
..........\wr.c
..........\your.c
..........\youw.c