Technical notes

Server #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <stdio.h> #include <unistd.h> #include <errno.h> #include <string.h> #include <stdlib.h> int main() {         int sock;         int addr_len, bytes_read;         char recv_data[1024],send_data[1024];         struct sockaddr_in server_addr , client_addr;         if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {             perror("Socket");             exit(1);         }         server_addr.sin_family = AF_INET;         server_addr.sin...

Client Code #include <sys/socket.h> #include <sys/types.h> #include <netinet/in.h> #include <netdb.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #include <errno.h> int main() {         int sock, bytes_recieved;         char send_data[1024],recv_data[1024];         struct hostent *host;         struct sockaddr_in server_addr;         host = gethostbyname("127.0.0.1");         sock = socket(AF_INET, SOCK_STREAM,0);         server_addr.sin_family = AF_INET;         server_addr.sin_port = htons(5000);         server_addr.sin_addr = *((struct in_addr *)host->h_addr);   ...