Added function for converting of IP addresses to printable form.

lib/ip.h

@@ -43,4 +43,11 @@
 
 #define ip_is_prefix(a,l) (!ipa_nonzero(ipa_and(a, ipa_not(ipa_mkmask(l)))))
 
+/*
+ *	Conversions between internal and string representation
+ */
+
+char *ip_ntop(ip_addr a, char *);
+char *ip_ntox(ip_addr a, char *);
+
 #endif

lib/ipv4.h

@@ -37,6 +37,7 @@ typedef u32 ip_addr;
 #endif
 
 #define BITS_PER_IP_ADDRESS 32
+#define STD_ADDRESS_P_LENGTH 15
 
 #define IPA_NONE (_MI(0))
 

lib/ipv6.h

@@ -23,6 +23,7 @@ typedef struct ipv4_addr {
 #define _I3(a) ((a).addr[3])
 
 #define BITS_PER_IP_ADDRESS 128
+#define STD_ADDRESS_P_LENGTH 39
 
 #define IPA_NONE _MI(0,0,0,0)