Biegral Blog

#include<iostream>
using namespace std;

void myStrLink(char *head, char *tail)
{
   while(*head) head++; //不能写成while(*head++);
   while(*head++ = *tail++);
}

int main()
{
   char head[20] = "hello";
   char tail[10] = "world";
   myStrLink(head, tail);
   cout << head << endl;
   return 0;
}