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C 标准输入输出库 putchar() 函数

❮ C 标准输入输出库


示例

将字符写入控制台

putchar('A');
putchar('B');
putchar(67);
自己尝试 »

定义和用法

The putchar() 函数将单个字符输出到控制台。

The putchar() 函数在 <stdio.h> 头文件中定义。

注意: 更准确地说,它写入由 stdout 指定的位置,该位置通常是控制台,但可以配置为指向文件或其他位置。


语法

putchar(int c);

参数值

参数 描述
c 必填。字符的 ASCII 值。在此参数中也可以使用实际的字符。

技术细节

返回值 一个 int 值,表示写入的字符的 ASCII 值。

❮ C 标准输入输出库

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