#include void stick(char a[],char b[]) { int i=0,j=0; while(a[i]!='\0') i++; //直到遇到s1的结束符为止 while(b[j]!='\0') a[i++]=b[j++];//将s2复制到s1后面 a[i]='\0';//添加字符串结束标志 //return a[100]; } void main() { char x[100]; char y[100]; printf("Input string:\n"); scanf("%s",x); printf("Input another sting:\n"); scanf("%s",y); stick(x,y); printf("result:%s\n",x); }