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#include
#include
#include
#include
#include
#include
void error_handling(char *message);
int main(int argc,char *argv[]){
int serv_sock;
int clnt_sock;
struct sockaddr_in serv_addr;
struct sockaddr_in clnt_addr;
socklen_t clnt_addr_size;
char message[100];
if(argc!=2){
printf("usgae : %s \n", argv[0]);
exit(1);
}
serv_sock=socket(PF_INET, SOCK_STREAM, 0);
if (serv_sock == 1)
error_handling("socket() error");
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family=AF_INET;
serv_addr.sin_addr.s_addr=htonl(INADDR_ANY);
serv_addr.sin_port=htons(atoi(argv[1]));
if(bind(serv_sock, (struct sockaddr*) &serv_addr, sizeof(serv_addr))==-1)
error_handling("bind() error");
if (listen(serv_sock, 5)==-1) //listen ÇÔ¼ö ¿¬°á¿äû´ë±â
error_handling("listen() error");
clnt_addr_size=sizeof(clnt_addr);
clnt_sock=accept(serv_sock, (struct sockaddr*)&clnt_addr, &clnt_addr_size
if(clnt_sock==-1)
error_handling("accetp() error");
read(clnt_sock, message,sizeof(message)-1);
printf("message from client : %s \n",message);
close(clnt_sock);
close(serv_sock);
return 0;
}
void error_handling(char *message){
fputs(message, stderr);
fputc('\n', stderr);
exit(1);
}
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