xiangsplayground

摘要： size_t is an unsigned integral data type which is defined in various header files such as: <stddef.h>, <stdio.h>, <stdlib.h>, <string.h>, <time.h>, <w 阅读全文

摘要： Simply put, a proof is a method of establishing truth. Like beauty, “truth” sometimes depends on the eye of the beholder, and it should not be surpris 阅读全文

摘要： 一，所感拾遗 1，使用二级指针 **p 的目的？ 在函数中改变一级指针的内容。通过解引用二级指针实现。 f(**p){ *p = ....... } 2,指针是什么？ int *p , p即是指向int的一个指针 指针变量中存储的内容是地址，也即是指针。cpu利用该地址寻址内存空间。 3，如下 in 阅读全文

摘要： 圆下箭头一顿号 非凡增减富强针地长 三乘除，四加减，五移位 千万别把鱼忘记，它在盛饭的厨子里 小灯大灯灯灯不等 爸喂鱼，舅疑惑，裸鸡也疑惑 十三姨，十四父，十五逗，兜到低 “圆下箭头一顿号”指的是第15级的运算符。其中圆指的是运算符（），下指的是下标运算符[]，箭头指的是指向结构体成员运算符->，顿 阅读全文

摘要： 一，定义 An interrupt is usually defined as an event that alters the sequence of instructions executed by a processor. Such events correspond to electrica 阅读全文

摘要： Physical Address Space In protected mode, the IA-32 architecture provides a normal physical address space of 4 GBytes (232 bytes). This is the address 阅读全文

摘要： The segmentation mechanism supported by the IA-32 architecture can be used to implement a wide variety of system designs. These designs range from fla 阅读全文

摘要： There is no mode bit to disable segmentation. The use of paging, however, is optional. These two mechanisms (segmentation and paging) can be configure 阅读全文