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Update Booting/linux-bootstrap-2.md

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hailin cai
2016-02-24 12:08:51 -05:00
parent 5b4f5611d9
commit 7e533f5214
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Booting/linux-bootstrap-2.md
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@@ -258,7 +258,7 @@ if (cmdline_find_option_bool("debug"))
puts("early console in setup code\n");
```
`puts`函数定义在[tty.c](https://github.com/torvalds/linux/blob/master/arch/x86/boot/tty.c)。这个函数只是简单的调用`putchar`函数将输入字符串中的内容按字节输出。下面让我们来看看`putchar`函数的实现：
`puts` 函数定义在[tty.c](https://github.com/torvalds/linux/blob/master/arch/x86/boot/tty.c)。这个函数只是简单的调用`putchar`函数将输入字符串中的内容按字节输出。下面让我们来看看`putchar`函数的实现：
```C
void __attribute__((section(".inittext"))) putchar(int ch)