--- /dev/null
+diff -urN linuxigd-1.0/iptc.c linuxigd-1.0.new/iptc.c
+--- linuxigd-1.0/iptc.c 2006-09-11 17:55:48.000000000 +0200
++++ linuxigd-1.0.new/iptc.c 2007-06-02 12:24:34.000000000 +0200
+@@ -22,9 +22,9 @@
+ struct ipt_entry_match *get_udp_match(const char *sports, const char *dports, unsigned int *nfcache);
+ struct ipt_entry_target *get_dnat_target(const char *input, unsigned int *nfcache);
+
+-static u_int16_t parse_port(const char *port);
+-static void parse_ports(const char *portstring, u_int16_t *ports);
+-static int service_to_port(const char *name);
++static u_int16_t igd_parse_port(const char *port);
++void parse_ports(const char *portstring, u_int16_t *ports);
++static int igd_service_to_port(const char *name);
+
+ static void parse_range(const char *input, struct ip_nat_range *range);
+ static struct ipt_natinfo *append_range(struct ipt_natinfo *info, const struct ip_nat_range *range);
+@@ -336,13 +336,12 @@
+ }
+
+ /* Copied and modified from libipt_tcp.c and libipt_udp.c */
+-
+ static u_int16_t
+-parse_port(const char *port)
++igd_parse_port(const char *port)
+ {
+ unsigned int portnum;
+
+- if ((portnum = service_to_port(port)) != -1) {
++ if ((portnum = igd_service_to_port(port)) != -1) {
+ return (u_int16_t)portnum;
+ }
+ else {
+@@ -350,7 +349,7 @@
+ }
+ }
+
+-static void
++void
+ parse_ports(const char *portstring, u_int16_t *ports)
+ {
+ char *buffer;
+@@ -358,19 +357,18 @@
+
+ buffer = strdup(portstring);
+ if ((cp = strchr(buffer, ':')) == NULL)
+- ports[0] = ports[1] = parse_port(buffer);
++ ports[0] = ports[1] = igd_parse_port(buffer);
+ else {
+ *cp = '\0';
+ cp++;
+
+- ports[0] = buffer[0] ? parse_port(buffer) : 0;
+- ports[1] = cp[0] ? parse_port(cp) : 0xFFFF;
++ ports[0] = buffer[0] ? igd_parse_port(buffer) : 0;
++ ports[1] = cp[0] ? igd_parse_port(cp) : 0xFFFF;
+ }
+ free(buffer);
+ }
+-
+ static int
+-service_to_port(const char *name)
++igd_service_to_port(const char *name)
+ {
+ struct servent *service;
+
+@@ -382,7 +380,6 @@
+
+
+
+-
+ /* Copied and modified from libipt_DNAT.c */
+
+ static void