test gethostbyname()

#include "stdio.h"
#inxlude "netdb.h"
#inxlude "netinet/in.h"
#inxlude "arpa/inet.h"

int main(int argc,char* argv[])
{
 struct hostent *hp;
 struct in_addr in;
 struct sockaddr_in local_addr;
 
 if(argc<2) return 1;
 
 if(!(hp=gethostbyname(argv[1])))
 {fprintf(stderr,"can't/n");
  exit(1);
  }
  
 memcpy(&local_addr.sin_addr.s_addr,hp->h_addr,4);
 in.s_addr=local_addr.sin_addr.s_addr;
 printf("Domain Name:%s.the IP:%s/n",argv[1],inet_ntoa(in));
}