prosty client-server pod linuxem

witam pisze prosty komunikator mam problem programem clienta, kod servera

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#include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <sys/types.h>
 #include <sys/socket.h>
 
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 
 
 
 int main(int argc, char* argv[]){
 
         int fd;
         if ((fd = socket(AF_INET,SOCK_STREAM,0)) == -1)
         {
                 perror("Socket fail");
                 exit(0);
         }
 
         struct sockaddr_in s;
         s.sin_family = AF_INET;
         s.sin_addr.s_addr=INADDR_ANY;
         s.sin_port = htons(atoi(argv[1]));
 
         int val=1;
         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,&val,sizeof(val));
 
         int bind_er=bind(fd,(struct sockaddr *)&s,sizeof(s));
         if (bind_er==-1){
                 perror("bind error");
                 exit(0);
         }
 
         listen(fd,5);
         for (;;) {
                 struct sockaddr_in client;
                 int len=sizeof(client);
                 int cfd;
 
                 printf("czekam na klienta");
                 cfd=accept(fd,(struct sockaddr *)&client,&len);
                 if (cfd == -1) {
                         perror("accept");
                         exit(0);
                 }
                 write(cfd,"hello!n",7);
                 close(cfd);
         }
 
 
        
 
 
 
 
 }
 

cod clienta

 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <sys/types.h>
 #include <sys/socket.h>
 
 
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 
 
 
 int main(int argc, char* argv[]){
 
 
 
 char message[100];
 
 int _socket;
 if ((_socket = socket(AF_INET,SOCK_STREAM,0)) == -1)
 {
 perror("Socket fail");
 exit(0);
 }
 
 struct sockaddr_in s;
 s.sin_family = AF_INET;
 inet_aton(argv[0s],&s.sin_addr);
 s.sin_port = htons(atoi(argv[2]));
 
 int _connect;
 if ((_connect = connect(_socket,(struct sockaddr *)&s,sizeof(s))) == 1)
 {
 perror("Connect fail");
 exit(0);
 }
 
 int _read;
 if ((_read = read(_socket,&message,sizeof(message))) == -1)
 {
 perror("Read error");
 exit(0);
 }
 else
 {
 message[_read]='\0';
printf("%s",message);


}

if (close(_socket)== -1){
perror("Close error");
exit(0);

}

return 0;
}

zakazdym razem przy kliencie dostaje read error:/
no i server jakby wisie niby sie kompilje przy debugowaniu tez niby jest oki ale nie dziala poprawnie