--- iptotal.c.orig	2011-03-05 23:51:05.000000000 +0100
+++ iptotal.c		2011-03-05 23:49:50.000000000 +0100
@@ -44,10 +44,16 @@
 #include <signal.h>
 #include <unistd.h>
 #include <time.h>
-#include <netinet/in.h>			
+#include <netinet/in.h>
+#ifdef __linux__
 #include <linux/if.h>
+#else
+#include <net/if.h>
+#endif
 #include <errno.h>
+#ifdef __linux
 #include <asm/errno.h>			/* for EINVAL */
+#endif
 
 /*
 ------------------------------------------------------------------------
@@ -417,7 +423,7 @@
 	   double din = (double) intotal / div;
 	   double dout = (double) outtotal / div;
 	   t0 = t1;
-	   printf("Total: %5.2f kBytes/s In: %5.2f Kbytes/s Out: %5.2f Kbytes/s\n",
+	   printf("Total: %5.2f kbyte(s) In: %5.2f kbyte(s) Out: %5.2f kbyte(s)\n",
 			dtotal, din, dout);
 	   total =0; intotal=0; outtotal=0;
 	   break;
@@ -464,7 +470,7 @@
 /*  Read options from command line  */
 void read_options (int argc, char *argv[]) {
 
-     char optchar;
+     signed char optchar;
      while(-1 != (optchar=getopt(argc,argv,"a:Ab:c:Cd:Ff:hl:L:m:M:o:Pr:t:v")))
      {
 		switch (optchar) {