int main(int argc, char *argv[]){
int sock;
pid_t pid;
char message[BUF_SIZE];
struct sockaddr_in serv_addr;
if(argc != 3){
printf("Usage : %s <ip> <port>\n", argv[0]);
exit(1);
}
sock = socket(AF_INET, SOCK_STREAM, 0);
if(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 = inet_addr(argv[1]);
serv_addr.sin_port = htons(atoi(argv[2]));
if(connect(sock, (struct sockaddr*) &serv_addr, sizeof(serv_addr)) == -1)
error_handling("connect() error");
else
puts("Connected ........");
pid = fork();
if(pid == 0)
write_routine(sock, message);
else
read_routine(sock, message);
close(sock);
return 0;
}
int
main(int argc, char *argv[])
{
int sockfd;
struct sockaddr_in serv_addr;
pid_t pid;
if (argc != 3) {
fprintf(stderr, "Usage: %s <ip> <port>\n", argv[0]);
exit(EXIT_FAILURE);
}
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("socket() failed");
exit(EXIT_FAILURE);
}
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = inet_addr(argv[1]);
serv_addr.sin_port = htons(atoi(argv[2]));
if (connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) == -1) {
fprintf(stderr, "connect() failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
pid = fork();
if (pid < 0) {
perror("fork() failed");
exit(EXIT_FAILURE);
} else if (pid == 0) {
write_routine(sockfd);
} else {
read_routine(sockfd);
}
close(sockfd);
return 0;
}
