text: #include "../include/lib/unp.h"
  int main(int argc, char **argv){
      int sockfd, n;
      char recvline[MAXLINE + 1];
      struct sockaddr_in servaddr;
      struct in_addr **pptr;
      struct in_addr *inetaddrp[2];
      struct in_addr inetaddr;
      struct hostent *hp;
      struct servent *sp;
      
      if(argc != 3){
          err_quit("usage: daytimeetcpcli1 <hostname> <service>");
      };
      
      if((hp = gethostbyname(argv[1])) == NULL){
          if(inet_aton(argv[1],&inetaddr) == 0){
              err_quit("hostname error for %s: %s",argv[1],hstrerror(h_errno));
          }else{
              inetaddrp[0] = &inetaddr;
              inetaddrp[1] = NULL;
              pptr = inetaddrp;
          };
      }else{
          pptr = (struct in_addr **)hp->h_addr_list;
      };
      
      if((sp =  getservbyname(argv[2],"tcp")) == NULL){
          err_quit("getservbyname error for %s",argv[2]);
      };
      
      for(;*pptr != NULL;pptr++){
          sockfd = Socket(AF_INET,SOCK_STREAM,0);
          bzero(&servaddr,sizeof(servaddr));
          servaddr.sin_family = AF_INET;
          servaddr.sin_port = sp->s_port;
          memcpy(&servaddr.sin_addr,*pptr,sizeof(struct in_addr));
          printf("trying %s\n",Sock_ntop((SA*) &servaddr, sizeof(servaddr)));
          
          if(connect(sockfd,(SA*)&servaddr,sizeof(servaddr)) == 0){
              break;
          };
          
          err_ret("connect error");
          close(sockfd);
      };
      
      if(*pptr == NULL){
          err_quit("unable t o connect");
      };
      
      while((n = Read(sockfd,recvline,MAXLINE)) > 0){
          recvline[n] = 0;
          Fputs(recvline,stdout);
      };
      exit(0);
  };
  