diff -Nur bwmon-1.3/include/bwmon.h bwmon-1.3-2//include/bwmon.h
--- bwmon-1.3/include/bwmon.h	2002-05-08 09:37:56.000000000 +0300
+++ bwmon-1.3-2//include/bwmon.h	2011-10-29 19:19:47.456916855 +0300
@@ -33,6 +33,9 @@
 #include <sys/ioctl.h>
 #endif
 
+#undef ulong
+#define ulong unsigned long long
+
 /*
  * 2.2 kernel supports only 16 network cards, and since there are not
  * that many 2.4 linuxes running more than 16 interfaces..
@@ -67,7 +70,7 @@
 
 
 void   initialize_total(total_interface_t *);
-bool_t do_total(total_interface_t *, interface_t *, int);
+bool_t do_total(total_interface_t *, interface_t *);
 
 bool_t do_interface(char *, interface_t *, int);
 bool_t count_average(interface_t *, float *);
diff -Nur bwmon-1.3/src/bwmon.c bwmon-1.3-2//src/bwmon.c
--- bwmon-1.3/src/bwmon.c	2002-05-10 08:49:31.000000000 +0300
+++ bwmon-1.3-2//src/bwmon.c	2011-10-29 19:29:24.937121710 +0300
@@ -158,7 +158,7 @@
 		fclose(fp);
 		
 		for (j = 0; j < i; j++)
-			if (!do_total(&sum_if, &interface[j], first_pass))
+			if (!do_total(&sum_if, &interface[j]))
 				fatal("do_total failed in %s", __FUNCTION__);
 
 		if (!first_pass) {
@@ -195,7 +195,7 @@
 {
 	char * pbuffer = NULL;
 	int    field_number = 0;
-	unsigned long int conv_field = 0;
+	ulong conv_field = 0;
 	
 	pbuffer = buffer;
 	pbuffer = strtok(pbuffer, " :");
@@ -215,7 +215,7 @@
 	field_number = 0;
 
 	while ((pbuffer = strtok(NULL, " :") ) != NULL) {
-		conv_field = strtoul(pbuffer, NULL, 10);
+		conv_field = strtoull(pbuffer, NULL, 10);
 		field_number++;
 		
 		switch (field_number) {
@@ -287,7 +287,7 @@
 bool_t
 print_interface(interface_t * interface) 
 {
-	printw("%12s      %7lu.%03u     %7lu.%03u     %7lu.%03u\n", (*interface)->name,
+	printw("%12s      %7llu.%03u     %7llu.%03u     %7llu.%03u\n", (*interface)->name,
 		   (*interface)->rx_rate_whole,  (*interface)->rx_rate_part,
 		   (*interface)->tx_rate_whole,  (*interface)->tx_rate_part,  
 		   (*interface)->tot_rate_whole, (*interface)->tot_rate_part );
@@ -304,7 +304,7 @@
 		max_whole++;
 		max_part -= 1000;
 	}
-	printw("        max:      %7lu.%03u     %7lu.%03u     %7lu.%03u \n",
+	printw("        max:      %7llu.%03u     %7llu.%03u     %7llu.%03u \n",
 		   (*interface)->rx_max_whole, (*interface)->rx_max_part,
 		   (*interface)->tx_max_whole, (*interface)->tx_max_part,
 		   max_whole, max_part);
@@ -352,8 +352,8 @@
 
 
 
-unsigned long 
-bwm_calc_remainder(unsigned long num, unsigned long den)
+ulong
+bwm_calc_remainder(ulong num, ulong den)
 {
 	unsigned long long n = num, d = den;
 	return (((n - (n / d) * d) * 1000) / d);
@@ -368,7 +368,7 @@
 }
 
 bool_t
-do_total(total_interface_t * total_if, interface_t * interface, int first_pass)
+do_total(total_interface_t * total_if, interface_t * interface)
 {
 	total_if->rx_bw_total_whole += (*interface)->rx_rate_whole;
 	total_if->rx_bw_total_part += (*interface)->rx_rate_part;
@@ -397,7 +397,7 @@
 bool_t
 print_total(char * method, total_interface_t * total_if)
 {
-	printw("%12s     %8lu.%03u    %8lu.%03u    %8lu.%03u\n", method,
+	printw("%12s     %8llu.%03u    %8llu.%03u    %8llu.%03u\n", method,
 		   total_if->rx_bw_total_whole,  total_if->rx_bw_total_part,
 		   total_if->tx_bw_total_whole,  total_if->tx_bw_total_part,
 		   total_if->tot_bw_total_whole, total_if->tot_bw_total_part);
@@ -418,7 +418,7 @@
 	hour = tmp % 24;
 	tmp = (tmp - hour) / 24;
 
-	if (gethostname(hostname, strlen(hostname)) != 0)
+	if (gethostname(hostname, sizeof(hostname)/sizeof(char)) != 0)
 		strcpy(hostname, "System");
 
 	printw("\n%s uptime: %u day%c %u hour%c %u minutes and %u seconds\n", 
diff -Nur bwmon-1.3/src/Makefile bwmon-1.3-2//src/Makefile
--- bwmon-1.3/src/Makefile	2002-05-03 13:11:52.000000000 +0300
+++ bwmon-1.3-2//src/Makefile	2011-10-29 19:20:05.560152114 +0300
@@ -10,8 +10,8 @@
 RM = /bin/rm
 INSTALL = install
 
-CFLAGS = -I../include -Wall -D__THREADS
-LDFLAGS = -lpthread -lncurses 
+CFLAGS += -I../include -Wall -D__THREADS -s -Wextra
+LDFLAGS += -lpthread -lncurses 
 
 SRC = bwmon.c
 OBJS = $(SRC:.c=.o)