What is the problem with this server program? #include<stdio.h> #include<stdlib.h> #include<netinet/in.h> #include<sys/types.h> #include<sys/socket.h> int main() { int fd_server, fd_client, len; struct sockaddr_in add_server; fd_server = socket(AF_INET,SOCK_STREAM,0); if (fd_server == -1) { perror("fd_sock"); exit(1); } add_server.sin_family = AF_INET; add_server.sin_port = htons(4001); add_server.sin_addr.s_addr = inet_addr("122.23.1.1"); len = sizeof(add_server); if( bind(fd_server,(struct sockaddr*)&add_server,len) != 0) perror("bind"); if(listen(fd_server,5) != 0) perror("listen"); fd_client = accept(fd_server,(struct sockaddr*)&add_server,&len); if(fd_client == -1) perror("accept"); return 0; }

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