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24 lines
341 B
Markdown
24 lines
341 B
Markdown
## putchar和getchar
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- putchar: 向屏幕输出一个字符
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```c
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#include <stdio.h>
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int main(){
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char ch = 'a';
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putchar(ch); // 输出a
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}
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```
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- getchar: 从键盘获得一个字符
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```c
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#include <stdio.h>
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int main(){
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char ch;
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ch = getchar();// 获取一个字符
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printf("ch = %c\n", ch);
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}
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```
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