no match for ‘operator=’

ft.cpp: In function ‘int ClientCMD(int, char**)’:
ft.cpp:148: error: no match for ‘operator=’ in ‘hep = gethostbyname(((const char*)(*(argv + 4u))))’
/usr/include/netdb.h:100: note: candidates are: hostent& hostent::operator=(const hostent&)

int ClientCMD(int argc, char* argv[]){
    cout << "In ClientCMD\n";
 
    int sock;
    struct sockaddr_in echoserver;
    char buffer[BUFFSIZE];
    unsigned int echolen;
    int received = 0;
    struct hostent hep;
    
    /* Create the TCP socket */
    if((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
        die("Failed to create socket");
 
    /* Construct the server sockaddr_in structure */
    memset(&echoserver, 0, sizeof(echoserver));     /* Clear struct */
    echoserver.sin_family = AF_INET;                /* Internet/IP */
 
    if((hep = gethostbyname(argv[1])) != NULL)          // <<<<- Check the argv
        memcpy((char*)& echoserver.sin_addr.s_addr, hep.h_addrtype, hep.h_length);
 
    echoserver.sin_port = htons(atoi(argv[3]));     /* server TCP port */       // <<<<- Check the argv
 
    /* Establish connection */
    if(connect(sock, (struct sockaddr *) &echoserver, sizeof(echoserver)) < 0)
        die("Failed to connect with server");
 
    /* Send the word to the server */
    echolen = strlen(argv[2]);              // <<<<- Check the argv
    if(send(sock, argv[2], echolen, 0) != echolen)
        die("Mismatch in number of sent bytes");
 
    /* Receive the word back from the server */
    fprintf(stdout, "Received: ");
    
    while(received < echolen){
        int bytes = 0;
        if((bytes = recv(sock, buffer, BUFFSIZE-1, 0)) < 1)
            die("Failed to recive bytes from server");
        received += bytes;
        buffer[bytes] = '\0';   /* Assure null terminated string */
        fprintf(stdout, buffer);
    }
 
    fprintf(stdout, "\n");
    
    if(close(sock) < 0)
        die("Close");
    
    exit(0);
 
}

    if((hep = gethostbyname(argv[1])) != NULL)          // <<<<- Check the argv
        memcpy((char*)& echoserver.sin_addr.s_addr, hep.h_addrtype, hep.h_length);