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clearn's Introduction

CLearn

用于C语言的学习练习

计算二进制中1的个数

二进制右移高位补0,相当于除以2,利用此特性,可以遍历二进制数, 不断右移,如果与1“或”为1,则count+1,直到二进制数为0

字符串反转(利用指针)

定义两个指针,first指针指向字符串的首地址,end指针指向字符串的尾地址, 两指针不断往中间移动,并交换对应的值,直到first地址>end地址

elf文件解析

elf文件是linux系统中的可执行重定位文件,学习elf文件的组成,包括 头、程序表、段有助于为后面的hook打基础,学习路径通过《程序员的自我修养-链接、装载与库》

思考elf_hook解析的关键点在哪里

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