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Update c.md #426

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Sep 10, 2023
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Update c.md #426

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10 changes: 6 additions & 4 deletions docs/c.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18,13 +18,13 @@ int main() {
}
```

使用 `gcc` 编译 `hello.c` 文件
使用 `gcc` 编译 `hello.c` 源文件

```bash
$ gcc -o hello hello.c
```

运行编译后的二进制文件(`hello`)
运行编译后的二进制文件可执行文件(`hello`)

```bash
$ ./hello
Expand All @@ -37,8 +37,8 @@ $ ./hello
```c
int myNum = 15;

int myNum2; // 不赋值，然后再赋值
myNum2 = 15;
int myNum2; // 声明变量 myNum2
myNum2 = 15; // 变量声明后第一次赋值我们称为初始化,如果 初始化 和 赋值 在同一行,那么我们可以直接称为 定义变量 myNum2

int myNum3 = 15; // myNum3 值为 15
myNum3 = 10; // 现在 myNum3 值为 10
Expand All @@ -54,6 +54,8 @@ int x = 5, y = 6, z = 50;
```

### 常量 Constants
注释
常量在 C 语言中我们一般理解为不能被改变的值,活用常量与符号常量

```c
const int minutesPerHour = 60;
Expand Down