https://blog.youkuaiyun.com/sunkai0205zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/sunkai0205/article/details/163429685https://blog.youkuaiyun.com/sunkai0205/article/details/163429685sunkai0205Mon, 03 Aug 2026 09:47:13 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163368321https://blog.youkuaiyun.com/sunkai0205/article/details/163368321sunkai0205Fri, 31 Jul 2026 15:26:57 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163365289https://blog.youkuaiyun.com/sunkai0205/article/details/163365289sunkai0205Fri, 31 Jul 2026 14:51:33 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163361699https://blog.youkuaiyun.com/sunkai0205/article/details/163361699sunkai0205Fri, 31 Jul 2026 11:38:39 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163360761https://blog.youkuaiyun.com/sunkai0205/article/details/163360761sunkai0205Fri, 31 Jul 2026 11:23:55 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163266964https://blog.youkuaiyun.com/sunkai0205/article/details/163266964sunkai0205Tue, 28 Jul 2026 11:49:52 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163234561https://blog.youkuaiyun.com/sunkai0205/article/details/163234561sunkai0205Mon, 27 Jul 2026 10:55:49 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163195647https://blog.youkuaiyun.com/sunkai0205/article/details/163195647sunkai0205Sat, 25 Jul 2026 17:17:41 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163123392https://blog.youkuaiyun.com/sunkai0205/article/details/163123392sunkai0205Thu, 23 Jul 2026 10:25:36 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163121909https://blog.youkuaiyun.com/sunkai0205/article/details/163121909sunkai0205Thu, 23 Jul 2026 10:00:50 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163121411https://blog.youkuaiyun.com/sunkai0205/article/details/163121411sunkai0205Thu, 23 Jul 2026 09:43:54 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163120429https://blog.youkuaiyun.com/sunkai0205/article/details/163120429sunkai0205Thu, 23 Jul 2026 09:13:55 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163107425https://blog.youkuaiyun.com/sunkai0205/article/details/163107425sunkai0205Wed, 22 Jul 2026 15:38:08 +0800https://blog.youkuaiyun.com/sunkai0205/article/details/163106828https://blog.youkuaiyun.com/sunkai0205/article/details/163106828sunkai0205Wed, 22 Jul 2026 15:15:36 +0800是“零消耗的地址偏移语法糖”。用法上，牢记传大结构用指针、跨平台通信强制对齐（pack）、有指针成员慎用赋值。如果你在嵌入式开发中操作寄存器，通常会大量使用结构体和联合体（union）来映射外设寄存器组。]]>https://blog.youkuaiyun.com/sunkai0205/article/details/163105403https://blog.youkuaiyun.com/sunkai0205/article/details/163105403sunkai0205Wed, 22 Jul 2026 14:32:14 +0800> 1）右移，结果依然是 -1（因为补符号位1），而不是 0。如果只想要逻辑移位（补0），务必使用 unsigned 类型进行位运算。（2）移位位数不能等于或超过位宽：int a = 1;a << 32;在32位系统上是未定义行为（CPU的移位器只取低5位或低6位，结果不可预测）。必须确保 n < sizeof(type)*8。]]>https://blog.youkuaiyun.com/sunkai0205/article/details/163104458https://blog.youkuaiyun.com/sunkai0205/article/details/163104458sunkai0205Wed, 22 Jul 2026 13:55:35 +0800