포인터 문자열 연결



#include <iostream>
using namespace std;
char * stringcat(char *source, const char *dest);
int main() {
  char s1[30]="I love ";
  char *s2="C++";
  stringcat(s1,s2);
  cout<<s1<<endl;
  return 0;
}
char * stringcat(char *source, const char *dest)
{
	//    dest      source   
     char *p;    
    int i;    
    for(p=source;*p!='\0';p++);   
		for(i=0;dest[i]!='\0';i++,p++)    
		{      
        *p=dest[i];    
		}    
    *p='\0';  
    return 0;  
}