/usr/include/diet/ip6.h is in libowfat-dietlibc-dev 0.30-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
#ifndef IP6_H
#define IP6_H
#include "byte.h"
#include "uint32.h"
#ifdef __cplusplus
extern "C" {
#endif
size_t scan_ip6(const char* src,char* ip);
size_t fmt_ip6(char* dest,const char* ip);
size_t fmt_ip6c(char* dest,const char* ip);
size_t scan_ip6if(const char* src,char* ip,uint32* scope_id);
size_t fmt_ip6if(char* dest,const char* ip,uint32 scope_id);
size_t fmt_ip6ifc(char* dest,const char* ip,uint32 scope_id);
size_t scan_ip6_flat(const char *src,char *);
size_t fmt_ip6_flat(char *dest,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
#define FMT_IP6 40
extern const char V4mappedprefix[12]; /*={0,0,0,0,0,0,0,0,0,0,0xff,0xff}; */
extern const char V6loopback[16]; /*={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; */
extern const 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))
#ifdef __cplusplus
}
#endif
#endif
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