编辑代码

#include <stdio.h>
void copyStr(char s1[], char s2[]) {
    int i;
    for (i = 0; s2[i] != '\0'; i++) {
        s1[i] = s2[i];
    }
    s1[i] = '\0';
}
int main() {
    char s1[100], s2[100];
    printf("请输入两个字符串：\n");
    scanf("%s%s", s1, s2);
    copyStr(s1, s2);
    printf("复制后的字符串为：%s\n", s1);
    return 0;
}