<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Upupdownn的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Upupdownn</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Upupdownn]]></copyright><item><title><![CDATA[GDB：tui和layout]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/155139728</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/155139728</guid><author>Upupdownn</author><pubDate>Sat, 22 Nov 2025 21:28:06 +0800</pubDate><description><![CDATA[简要介绍GDB的tui界面使用]]></description><category></category></item><item><title><![CDATA[正则表达式快速上手]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154494319</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154494319</guid><author>Upupdownn</author><pubDate>Thu, 06 Nov 2025 17:27:40 +0800</pubDate><description><![CDATA[正则表达式的基本语法]]></description><category></category></item><item><title><![CDATA[Linux文本处理：grep，sed，awk]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154492696</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154492696</guid><author>Upupdownn</author><pubDate>Thu, 06 Nov 2025 16:38:18 +0800</pubDate><description><![CDATA[Linux文本处理命令：grep，sed，awk的基本用法]]></description><category></category></item><item><title><![CDATA[Linux命令：seq]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154436778</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154436778</guid><author>Upupdownn</author><pubDate>Wed, 05 Nov 2025 12:15:31 +0800</pubDate><description><![CDATA[说明seq命令的用法]]></description><category></category></item><item><title><![CDATA[C标准库：＜ctype.h＞]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154352848</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154352848</guid><author>Upupdownn</author><pubDate>Mon, 03 Nov 2025 16:20:25 +0800</pubDate><description><![CDATA[介绍ctype头文件的内容，对字符做了分类介绍]]></description><category></category></item><item><title><![CDATA[Ubuntu软件包管理：dpkg和apt命令用法]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154280781</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154280781</guid><author>Upupdownn</author><pubDate>Sun, 02 Nov 2025 10:39:20 +0800</pubDate><description><![CDATA[说明dpkg和apt命令的常见用法]]></description><category></category></item><item><title><![CDATA[xshell无法连接wsl子系统]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154251071</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154251071</guid><author>Upupdownn</author><pubDate>Sat, 01 Nov 2025 20:30:44 +0800</pubDate><description><![CDATA[xshell无法连接wsl子系统，需要配置ssh服务]]></description><category></category></item><item><title><![CDATA[Linux根目录注释]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154242667</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154242667</guid><author>Upupdownn</author><pubDate>Sat, 01 Nov 2025 16:12:48 +0800</pubDate><description><![CDATA[说明根目录下各个目录的作用和功能]]></description><category></category></item><item><title><![CDATA[Ubuntu配置C开发环境]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154188797</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154188797</guid><author>Upupdownn</author><pubDate>Fri, 31 Oct 2025 15:37:35 +0800</pubDate><description><![CDATA[安装gcc开发工具链，安装man手册等配置]]></description><category></category></item><item><title><![CDATA[WSL安装虚拟机]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154179082</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154179082</guid><author>Upupdownn</author><pubDate>Fri, 31 Oct 2025 11:55:47 +0800</pubDate><description><![CDATA[wsl安装子系统]]></description><category></category></item><item><title><![CDATA[Makefile使用笔记]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/154079485</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/154079485</guid><author>Upupdownn</author><pubDate>Wed, 29 Oct 2025 18:04:05 +0800</pubDate><description><![CDATA[makefile的学习记录]]></description><category></category></item><item><title><![CDATA[Source Insight使用方法]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/153735772</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/153735772</guid><author>Upupdownn</author><pubDate>Wed, 22 Oct 2025 15:45:16 +0800</pubDate><description><![CDATA[记录Source Insight软件的使用方法，不断更新中。]]></description><category></category></item><item><title><![CDATA[Risc-V汇编和操作系统]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/153267804</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/153267804</guid><author>Upupdownn</author><pubDate>Tue, 14 Oct 2025 17:03:29 +0800</pubDate><description><![CDATA[本文介绍了RISC-V指令集架构(ISA)和ELF文件格式的基础知识。RISC-V ISA是硬件与软件的接口规范，ELF则是类Unix系统的可执行文件标准格式。文章详细解析了ELF文件的结构组成，包括section header table、program header等核心概念，并对比了不同section（如.text、.data、.bss）的功能特点。此外还介绍了.symtab符号表的关键字段含义，以及常用工具链命令（readelf、objdump、objcopy等）的使用方法和区别，为理解RISC-V]]></description><category></category></item><item><title><![CDATA[算法-反转链表]]></title><link>https://blog.youkuaiyun.com/Upupdownn/article/details/151900845</link><guid>https://blog.youkuaiyun.com/Upupdownn/article/details/151900845</guid><author>Upupdownn</author><pubDate>Sat, 20 Sep 2025 17:00:10 +0800</pubDate><description><![CDATA[本文介绍了两种链表反转方法：三指针法和头插法。三指针法通过三个指针遍历链表，逐个改变节点指向完成反转，无需修改数据域。头插法则利用虚拟头节点，将后续节点依次插入到最前面实现反转。两种方法都处理了空链表和单节点链表的特殊情况，并给出了对应的C++实现代码。三指针法更直观，头插法则避免了尾指针处理，各具特点。]]></description><category></category></item></channel></rss>