Description: the simple linux device driver, to achieve the reading and writing, positioning the file pointer, ioctl clear and simple to read and write control.
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第二题对应的程序\base_func_test\test_s.c
................\..............\test_s.exe
................\.f_test\.test_s.c.swp
................\.......\test_s.c
................\.......\test_s.exe
................\ioctl_test\scull.h
................\..........\test_s.c
................\..........\test_s.exe
................\mydev\.built-in.o.cmd
................\.....\.scull.c.swp
................\.....\.scull.ko.cmd
................\.....\.scull.mod.o.cmd
................\.....\.scull.o.cmd
................\.....\.tmp_versions\scull.mod
................\.....\built-in.o
................\.....\Makefile
................\.....\Module.symvers
................\.....\modules.order
................\.....\scull.c
................\.....\scull.h
................\.....\scull.ko
................\.....\scull.mod.c
................\.....\scull.mod.o
................\.....\scull.o
................\第二题程序对应内容说明.txt
................\mydev\.tmp_versions
................\base_func_test
................\bf_test
................\ioctl_test
................\mydev
第二题对应的程序
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