Description: Simple communication book written in C, realize the mail list to add delete display function, can realize the data and save the file to read.
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File list (Check if you may need any files):
contacts\com_file.txt
........\contacts.c
........\contacts.h
........\file.c
........\file.h
........\kk
........\list.c
........\list.h
........\main.c
contacts