Resolve -Wunused-parameter

http.c

@@ -17,6 +17,9 @@
 
 int get_HTTP_headers(int socket_h, SSL *ssl_h, char **headers, int *overflow, double timeout)
 {
+#if !HAVE_OPENSSL
+	(void)ssl_h;
+#endif
 	char *term = NULL;
 	int len_in=0, len=4096;
 	char *buffer = (char *)malloc(len + 1);

main.c

@@ -72,6 +72,7 @@ volatile char got_sigquit = 0;
 
 void handler_quit(int s)
 {
+	(void)s;
 	signal(SIGQUIT, handler_quit);
 
 	got_sigquit = 1;

nc.c

@@ -626,7 +626,7 @@ double calc_trend()
 	return (v1 - v2) / (v2 / 100.0);
 }
 
-void draw_graph(double val)
+void draw_graph()
 {
 	int index = 0, loop_n = min(max_x, history_n), n = 0, n2 = 0;
 	double avg = 0, sd = 0;
@@ -761,7 +761,6 @@ void show_stats_t(int y, int x, char *header, stats_t *data, char abbreviate)
 
 void update_stats(stats_t *resolve, stats_t *connect, stats_t *request, stats_t *total, stats_t *ssl_setup, int n_ok, int n_fail, const char *last_connect_str, const char *fp, char use_tfo, char dg, stats_t *st_to, stats_t *tcp_rtt_stats, int re_tx, int pmtu, int tos, stats_t *close_st, stats_t *t_write, int n_cookies, char abbreviate, stats_t *stats_header_size)
 {
-	double k = 0.0;
 	char force_redraw = 0;
 	struct pollfd p = { 0, POLLIN, 0 };
 
@@ -855,7 +854,7 @@ void update_stats(stats_t *resolve, stats_t *connect, stats_t *request, stats_t
 
 	if (dg && !pause_graphs)
 	{
-		draw_graph(k);
+		draw_graph();
 #if HAVE_FFTW3
 		draw_fft();
 #endif

tcp.c

@@ -47,6 +47,9 @@ int set_no_delay(int fd)
 
 int create_socket(struct sockaddr *bind_to, struct addrinfo *ai, int recv_buffer_size, int tx_buffer_size, int max_mtu, char use_no_delay, int priority, int tos)
 {
+#ifndef linux
+	(void)priority;
+#endif
 	int fd = -1;
 
 	/* create socket */