文件名称:globalvar
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字符设备文件,实现字符设备挂载，原理是在内存开辟一块空间模拟设备,从而实现聊天功能-Character device files, realize the characters on the equipment, the principle is use the space in memery to simulate equipment then realize the function of communicating
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下载文件列表
globalvar\globalvar.c
.........\read.c
.........\write.c
.........\yread.c
.........\ywrite.c
globalvar
.........\read.c
.........\write.c
.........\yread.c
.........\ywrite.c
globalvar