[code:1]#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#define MAXECHO 1024
#define PORT 7
int main(int argc, char *argv[])
{
int sock, recvok;
char *servip, *msg, *buffer;
unsigned int size;
struct sockaddr_in serv, recv;
buffer = (char *)malloc(sizeof(MAXECHO));
if(argc < 3) {
printf("Usage : %s Server IP Message\n", argv[0]);
exit(0);