Endianness check

source/include/util.h

@@ -189,8 +189,10 @@ char *buffer_putlong(char *buffer, long val);
 char *buffer_putint(char *buf, int val);
 long  buffer_getlong(const char *buf);
 int   buffer_getint(const char *buf);
+void swap_long(char *buffer);
 void  printf_usage(const char *ident, const char *fmt, ...);
 
+
 /* u_pkt.c */
 int   pkt_createpacket(const char *pktname, const s_packet *pkt);