update notes in computer architecture

kekeandzeyu · Feb 8, 2025 · 2742227 · 2742227
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diff --git a/README.md b/README.md
@@ -1,6 +1,6 @@
 # Computer-Science-Study-Notes
 
-![Favicon](public/assets/photo.png)
+![Favicon](public/assets/photo.svg)
 
 > *We are all lost stars, trying to light up the dark.*
 
@@ -108,6 +108,14 @@ If someone's original work is used but not mentioned in the following list, or b
 
 10. <https://en.wikipedia.org/wiki/Floating-point_arithmetic>.
 
+11. <https://cplusplus.com/reference/cstring/strcpy>.
+
+12. <https://cplusplus.com/reference/cstring/strncpy>.
+
+13. <https://cplusplus.com/reference/cstring/strcmp/>.
+
+
+
 ### Topic 6: Operating System
 
 1. CS162: Operating System (UC Berkeley) by Professor John Kubiatowicz, Ion Stoica and the rest of CS162 staff.

diff --git a/README_zh_CN.md b/README_zh_CN.md
@@ -1,6 +1,6 @@
 # 计算机科学学习笔记
 
-![Favicon](public/assets/photo.png)
+![Favicon](public/assets/photo.svg)
 
 > *我们都是迷失在璀璨梦境中的繁星，不顾一切只为点亮黑暗。*
 

diff --git a/public/assets/photo.png b/public/assets/photo.png
diff --git a/public/assets/photo.svg b/public/assets/photo.svg
diff --git a/public/assets/photo1.svg b/public/assets/photo1.svg
diff --git a/src/layouts/BaseLayout.astro b/src/layouts/BaseLayout.astro
@@ -14,7 +14,7 @@ const { title, hideLangSwitcher = false } = Astro.props;
 <html lang="en">
 	<head>
 		<meta charset="utf-8" />
-		<link rel="icon" href="/assets/photo.png" />
+		<link rel="icon" href="/assets/photo.svg" />
 
 		<link rel="preload" href="/fonts/Inter/Inter-Display/InterDisplay-Medium.woff2" as="font" type="font/woff2" crossorigin>
 		<link rel="preload" href="/fonts/Inter/Inter-Text/Inter-Medium.woff2" as="font" type="font/woff2" crossorigin>

diff --git a/src/pages/index.astro b/src/pages/index.astro
@@ -21,7 +21,7 @@ const pageTitle = 'Computer Science Study Notes';
 		<div class="details">
 
 			<div class="introduction">
-				<img src="/assets/photo.png" alt="Favicon"/>
+				<img src="/assets/photo.svg" alt="Favicon"/>
 				<div class="introduction-text">
 					<h2>Introduction</h2>
 					<p class="text">New to this website and the notes? Learn about the background behind these notes!</p>
@@ -36,11 +36,11 @@ const pageTitle = 'Computer Science Study Notes';
 					<p class="text">The notes will keep updating as I learn. Feel free to come back at any time!</p>
 					<Button link="/notes/" children="View Notes"></Button>
 				</div>
-				<img src="/assets/photo.png" alt="Favicon"/>
+				<img src="/assets/photo.svg" alt="Favicon"/>
 			</div>
 
 			<div class="author">
-				<img src="/assets/photo1.jpg" alt="My Photo"/>
+				<img src="/assets/photo1.svg" alt="My Photo"/>
 				<div class="author-text">
 					<h2>About Me</h2>
 					<p class="text">Want to know more about me? Click the button below to learn more!</p>
@@ -74,7 +74,7 @@ const pageTitle = 'Computer Science Study Notes';
 		<div class="details">
 
 			<div class="introduction">
-				<img src="/assets/photo.png" alt="Favicon"/>
+				<img src="/assets/photo.svg" alt="Favicon"/>
 				<div class="introduction-text">
 					<h2>介绍</h2>
 					<p>第一次来到这个网站和笔记？想要了解背后的故事？</p>
@@ -88,11 +88,11 @@ const pageTitle = 'Computer Science Study Notes';
 					<p>笔记会随着我的学习不断更新。随时欢迎回来！</p>
 					<Button link="/posts/database-system/" children="查看笔记"></Button>
 				</div>
-				<img src="/assets/photo.png" alt="Favicon"/>
+				<img src="/assets/photo.svg" alt="Favicon"/>
 			</div>
 
 			<div class="author">
-				<img src="/assets/photo1.jpg" alt="My Photo"/>
+				<img src="/assets/photo1.svg" alt="My Photo"/>
 				<div class="author-text">
 					<h2>关于我</h2>
 					<p>想要了解更多关于我？点击下面的按钮了解更多！</p>

diff --git a/src/pages/notes/computer-architecture.mdx b/src/pages/notes/computer-architecture.mdx
@@ -360,8 +360,13 @@ char str1[6] = {'H', 'e', 'l', 'l', 'o', '\0'};
 char str2[6] = "Hello";
 ```
 
-Here are some common;y-used string functions defined in the `string.h` library:
+Here are some commonly-used string functions defined in the `string.h` library:
 
 1. `size_t strlen(const char * str)`: Returns the length of the string (not including the null terminator).
 2. `char * strcpy ( char * destination, const char * source )`: Copies the C string pointed by source into the array pointed by destination, including the terminating null character (and stopping at that point).
-3. 
+3. `char * strncpy ( char * destination, const char * source, size_t num )`: Copies the first num characters of source to destination. If the end of the source C string (which is signaled by a null-character) is found before num characters have been copied, destination is padded with zeros until a total of num characters have been written to it.
+4. `int strcmp ( const char * str1, const char * str2 );`: Compares the C string `str1` to the C string `str2`, return 0 if str1 and str2 are identical.
+5. `int strncmp ( const char * str1, const char * str2, size_t num )`: Compares up to num characters of the C string `str1` to those of the C string `str2`.
+6. `char * strcat ( char * destination, const char * source )`: Appends a copy of the source string to the destination string. The terminating null character in destination is overwritten by the first character of source, and a null-character is included at the end of the new string formed by the concatenation of both in destination.
+7. `char * strncat ( char * destination, const char * source, size_t num )`: Appends the first num characters of source to destination, plus a terminating null-character.
+