实现malloc时应同时实现内存大小调整和内存释放函数（即realloc和free） 对于malloc更多的说明可以在命令行中键入以下命令查看： man malloc 2 预备知识. 在实现malloc之前，需要先解释一些Linux系统内存相关的知识。 2.1 Linux内存管理 2.1.1 虚拟内存地址与物理内存地址 ...

点击左上方蓝色“ 一口Linux ”，选择“ 设为星标 ” 第一时间看干货文章 ☞ 【干货】 嵌入式驱动工程师学习路线 ☞ 【干货】 Linux嵌入式知识点-思维导图 1. 任何一个用过或学过C的人对malloc都不会陌生。大家都知道malloc可以分配一段连续的内存空间，并且在不再使用时可以通过free释放掉。

When To Use Malloc In Dynamic Memory Allocation Introduction to dynamic memory allocation. A topic that I find particularly interesting, which is raised by many embedded software developers whom I ...

Pros: you can index arr just like any 2-d array. Cons: memory is not allocated contiguously, which for what you're doing may be a problem. Option 2 - allocate the memory as a 1-d array, compute index: ...

Hi,I've been having some difficulty with a C assignment that I have (I'm starting to realize how much PHP and Java spoils me!). Its a simple cash register that asks for the type of purchase, then ...