1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
#ifndef IP6_H
#define IP6_H
extern unsigned int ip6_scan(const char *,char *);
extern unsigned int ip6_fmt(char *,const char *);
extern unsigned int ip6_scan_flat(const char *,char *);
extern unsigned int ip6_fmt_flat(char *,const char *);
/*
ip6 address syntax: (h = hex digit), no leading '0' required
1. hhhh:hhhh:hhhh:hhhh:hhhh:hhhh:hhhh:hhhh
2. any number of 0000 may be abbreviated as "::", but only once
flat ip6 address syntax:
hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
*/
#define IP6_FMT 40
const static unsigned char V4mappedprefix[12]={0,0,0,0,0,0,0,0,0,0,0xff,0xff};
const static unsigned char V6loopback[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1};
const static unsigned char V6any[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
#define ip6_isv4mapped(ip) (byte_equal(ip,12,V4mappedprefix))
const static char ip4loopback[4] = {127,0,0,1};
#endif
|