qq_53030983的博客

1 完成掩码的设置（umask）2创建一个权限为0666，内容为2M个/0的文件3.通过调用stat函数实现文件属性的展示，需要在上次的基础上增加权限的展示（-rw-rw-rw-）其中得到权限的get_perms函数char *get_perms(struct stat*buf,char *perms){ static char *modes[] = { "---","--x","-w-","-wx","r--","r-x","rw-","rwx"...