6-13连接两个字符串

#include<stdio.h>
int main(){int i=0,j=0;char s1[222],s2[333];printf("请输入第一个字符串：\n");gets(s1);//=scanf("%s",s1);printf("请输入第二个字符串：\n");gets(s2);while(s1[i]!='\0')i++;while(s2[j]!='\0')s1[i++]=s2[j++];//这里我没看懂s1[i]='\0';//等遍历完printf("\nThe new string is:%s\n",s1);return 0;
}