适配新版,更新uToolsAPI文档

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fofolee
2020-05-02 10:25:12 +08:00
parent 9ffc481481
commit f8e55e028d
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<h1>输入输出 - getchar</h1>
<p>原型extern int getchar(void);</p>
<p>用法:#include &lt;ctype.h></p>
<p>功能:读键</p>
<p>说明:从键盘上读取一个键,并返回该键的键值</p>
getch是到getchar的宏定义
举例:<pre><code class="language-c">
// getchar.c
#include &lt;stdio.h>
main()
{
int c;
clrscr();
printf("Press key...");
while((c=getchar())!='Q')
{
clrscr();
printf("key: %c\nvalue: %x",c,c);
}
}
</code></pre>相关函数:<font color=gray>getkey</font>,<a href="kbhit.html">kbhit</a>