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C 字符串 strcpy() 函数

❮ 字符串函数


示例

将数据从一个字符串复制到另一个字符串

char str1[] = "Hello World!";
char str2[30];
strcpy(str2, str1);
printf("%s\n", str1);
printf("%s\n", str2);
自己尝试 »

定义和用法

The strcpy() 函数将数据从一个字符串复制到另一个字符串的内存中。

The strcpy() 函数在 <string.h> 头文件中定义。

注意:确保目标字符串有足够的空间容纳数据,否则它可能会开始写入属于其他变量的内存。


语法

strcpy(char * destination, char * source);

参数值

参数 描述
destination 必需。指向要复制到的字符串的指针。
source 必需。指向要复制的字符串的指针。

技术细节

返回 指向目标字符串的 char 类型指针。

❮ 字符串函数


相关页面

C 字符串教程

C 字符串函数教程


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