#include
#include
#include
#include
#include
#include
#define SERVER_PORT 20000
#define LEN_LISTEN_QUEUE 10
#define BUFFER_SIZE 255
#define WELCOME_MESSAGE "welcome to connect the server. "
int main(int argc, char **argv)
{
int server_sockfd, client_sockfd;
struct sockaddr_in server_addr;
struct sockaddr_in client_addr;
printf("the server program!\n");
if ((server_sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
printf("create socket error!\n");
exit(1);
}
bzero(&server_addr, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(SERVER_PORT);
server_addr.sin_addr.s_addr = htons(INADDR_ANY);
if(bind(server_sockfd, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0)
{
printf("bind to port %d failure!\n", SERVER_PORT);
exit(1);
}