#include "stdio.h"
#include "string.h"
void lianjie(char a[],char b[],char c[]);
void main()
{
char s1[]="feng";
char s2[]="shuang";
char s3[50];
lianjie(s1,s2,s3);
printf("%s\n",s3);
}
void lianjie(char a[],char b[],char c[])
{
int i,j,k;
for(i=0;a[i]!='\0';i++)
c[i]=a[i];
for(j=0;b[j]!='\0';j++)
c[i+j]=b[j];
c[i+j]='\0';
}