警告:多字符字符常量 [-Wmultichar]| [英] warning: multi-character character constant [-Wmultichar]|

问题描述

/* Beginning 2.0 */
#include<stdio.h>
main()
{
    printf(" %d signifies the %c of %f",9,'rise',17.0);
    return 0;
}

大家好

当我编译这个时，编译器给出以下警告:

When I compile this, the compiler giving the following warning:

warning: multi-character character constant [-Wmultichar]|

并且输出只打印 e 而不是 rise.

And the output only prints e instead of rise.

C语言中不允许有多个字符吗?

Are multiple characters not allowed in C?

如何打印整个单词(rise)?

How can I print the whole word (rise)?

请帮帮我.

推荐答案

试试:printf(" %d 表示 %f 的 %s",9,"rise",17.0);.

C 区分字符(一个字符)和字符字符串(可以包含任意数量的字符).您使用单引号 ('') 表示字符文字，但使用双引号表示字符 string 文字.

C distinguishes between a character (which is one character) and a character string (which can contain an arbitrary number of characters). You use single quotes ('') to signify a character literal, but double quotes to signify a character string literal.

同样，您指定 %c 来转换单个字符，而指定 %s 来转换字符串.

Likewise, you specify %c to convert a single character, but %s to convert a string.

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