Switch to less-common default port

Bonus: if you squint really hard it looks like ASCII

src/frontend.c

@@ -173,7 +173,7 @@ void parse_args(int argc, char *argv[], arguments_t *arguments) {
       server = arg_strn("s", "server", "<SERVER>", 0, 1,
                         "address of server to connect to"),
       port = arg_strn("p", "port", "<PORT>", 0, 1,
-                      "port of server to connect to (default 5000)"),
+                      "port of server to connect to (default 45011)"),
       file = arg_filen(NULL, NULL, "[FILE]", 0, 1,
                        "filepath for read/write ('-' to read from stdin)"),
       end = arg_end(20),

src/network.c

@@ -19,7 +19,7 @@
 fd_set testfds, clientfds;
 char *msg_buf;
 size_t msg_size;
-int port = 5000;
+int port = 45011;
 int fd;
 int sockfd;
 FILE *sockstream;

src/server.c

@@ -293,7 +293,7 @@ int main(int argc, char *argv[]) {
   pthread_t tid;
 
   /* Socket settings */
-  int port = 5000;
+  const int port = 45011;
   listenfd = socket(AF_INET, SOCK_STREAM, 0);
   serv_addr.sin_family = AF_INET;
   serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);