handling no arguments, renamed header

client.c

@@ -1,4 +1,4 @@
-#include "moxerver_include.h"
+#include "moxerver.h"
 
 
 /* Closes client connection. */

moxerver.c

@@ -1,4 +1,4 @@
-#include "moxerver_include.h"
+#include "moxerver.h"
 #include <unistd.h> /* getopt() */
 
 
@@ -24,7 +24,12 @@ int main(int argc, char *argv[]) {
 	struct timeval tv;
 	
 	
-	/* grab argumments */
+	/* grab arguments */
+	if (argc == 1) {
+		fprintf(stderr, "error parsing arguments\n");
+		usage();
+		return 0;
+	}
 	while ((ret = getopt(argc, argv, ":p:h")) != -1) {
 		switch (ret) {
 			/* get server port number */

moxerver.h

@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <termios.h>
+
+#define DATA_BUFLEN 128
+
+
+struct server_t {
+	int socket; 					/* server socket */
+	struct sockaddr_in address; 	/* server address information */
+	unsigned int port;				/* server port in host byte order, practical reference */
+};
+
+struct client_t {
+	int socket; 						/* client socket */
+	struct sockaddr_in address; 		/* client address information */
+	char ip_string[INET_ADDRSTRLEN]; 	/* client IP address as a string */
+	char data[DATA_BUFLEN]; 			/* buffer for data received from client */
+};
+
+struct tty_t {
+	int fd; 					/* tty file descriptor */
+	struct termios ttyset;		/* tty termios settings */
+	char data[DATA_BUFLEN]; 	/* buffer for data received from tty */
+};
+
+
+/* Sets up the server on specific port, binds to a socket and listens for client connections. */
+int server_setup(struct server_t *server, unsigned int port);
+/* Closes the server. */
+int server_close(struct server_t *server);
+/* Accepts incoming client connection. */
+int server_accept(struct server_t *server, struct client_t *accepted_client);
+/* Rejects incoming client connection. */
+int server_reject(struct server_t *server);
+
+
+/* Closes client connection. */
+int client_close(struct client_t *client);
+/* Reads incoming data from client to client data buffer. */
+int client_read(struct client_t *client);
+/* Sends data from a buffer to client. */
+int client_write(struct client_t *client, char *databuf, int datalen);
+
+
+/* Opens the tty device and configures it. */
+int tty_open(struct tty_t *tty_dev);
+/* Closes the tty device. */
+int tty_close(struct tty_t *tty_dev);
+/* Reconfigures the tty device. */
+int tty_reconfigure(struct tty_t *tty_dev, struct termios newttyset);
+/* Reads incoming data from tty device to tty data buffer. */
+int tty_read(struct tty_t *tty_dev);
+/* Sends data from a buffer to tty device. */
+int tty_write(struct tty_t *tty_dev, char *databuf, int datalen);

server.c

@@ -1,4 +1,4 @@
-#include "moxerver_include.h"
+#include "moxerver.h"
 
 
 /* Sets up the server on specific port, binds to a socket and listens for client connections. */

tty.c

@@ -1,4 +1,4 @@
-#include "moxerver_include.h"
+#include "moxerver.h"
 
 
 /* Opens the tty device and configures it. */