编程与软件工程cslibrary.stanford.edu编辑精选
Essential C：C 语言精要
Essential C
2012 — 2017，它一次次回到首页
黑点是上首页（≥ 50 分）的那次投稿，空心点是没冲上去的投稿，点越大分数越高。
导读
Stanford CS Library 的《Essential C》是一份约 45 页的 C 语言简明讲义，面向快速入门或复习，并包含链表、二叉树等数据结构练习。评论多指出它长期未更新，仍以 C89 为主，未覆盖 C99/C11 的新特性。今天读它更适合建立基础语感和指针/内存概念，而不是查现代标准。
为什么经久不衰：它以极短篇幅直指指针、内存和基础数据结构，练习扎实；只要知道它停留在旧标准，仍是快速打底的好材料。
HN 评论精选
篇幅极短是优点，但内容停留在 C89，不适合作为现代 C 标准参考。
它没写明遵循哪个标准，但版权年份是 1996-2003，估计没更新到 C11。《Modern C》覆盖 C11 但有 300 页，Essential C 只有 45 页。实际读下来它连 C99 都没真正跟上，仍在用 C89 式的变量声明（必须在花括号后声明）。
CalChris查看英文原文
Essential C doesn't mention a standard but it says Copyright 1996-2003. I'm going guess it hasn't been updated for C11. Modern C [1] covers C11 and was mentioned before. However, it weighs in at 300 pages rather than Essential C's 45. [1] http://icube-icps.unistra.fr/img_auth.php/d/db/ModernC.pdf Actually, reading through Essential C, it hasn't really been updated for C99 since it uses C89 declarations: C takes the middle road -- variables may be declared within the body of a function, but they must follow a '{'. More modern languages like Java and C++ allow you to declare variables on any line, which is handy.
链表和二叉树练习实用，适合动手巩固。
这是学习 C 编程和数据结构的小巧好资源；我很有兴致地做完了链表和二叉树部分的习题（附有代码仓库）。
imwally查看英文原文
Great little resource on C programming and data structures. I had a lot of fun going through the problems presented in the Linked List and Binary Tree sections [1]. [1] https://github.com/imwally/cmuck
批评内容过时，并指出 const 的说明有误。
文档讲的是 C89，尽管版权到 2003 年；restricted 指针、柔性数组成员等都没有。第 27 页说 const 在 C 社区用得零散、主要用于说明参数角色，这不准确——const 有助于编译器查错和优化。
etanol查看英文原文
The document talks about C89, even though the last Copyright year is 2003. Isn't it about time that we start movin on? Where are the restricted pointers, the flexible array member and so on? And, by the way, I think the comment at the bottom of page 27 is not correct: The qualifier const can be added to the left of a variable or parameter type to declare that the code using the variable will not change the variable. As a practical matter, use of const is very sporadic in the C programming community. It does have one very handy use, which is to clarify the role of a parameter in a function prototype... Actually, the use of const is encouraged as it helps the compiler to catch more errors as well as to enable some optimizations.
这份讲义源自 Stanford CS107，其价值在于强迫学习者理解内存管理。
这是回忆：我 1996 年上 CS107，这份讲义似乎就是那时写的；Nick 是我的导师，他的 CS108（当时教 C++）是我最喜欢的课之一。也许我有点老派，但如今学生若用不要求真正吃透内存管理的语言入门，会错过重要的东西。
bstrong查看英文原文
Oh, memories. I took CS107 in 1996, which was apparently the date this handout was written. Nick was my academic advisor, and his CS108 (which was C++ at the time) was one of my favorite courses of all time. Bunny World... Maybe I'm just a grumpy old programmer, but I feel like kids these days are missing out on something important by learning to program in a language that doesn't require them to truly grok memory management.
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