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45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
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#ifndef IP6_H
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#define IP6_H
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#include <libowfat/byte.h>
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#include <libowfat/uint32.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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size_t scan_ip6(const char* src,char ip[16]);
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size_t fmt_ip6(char* dest,const char ip[16]);
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size_t fmt_ip6c(char* dest,const char ip[16]);
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size_t scan_ip6if(const char* src,char ip[16],uint32* scope_id);
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size_t fmt_ip6if(char* dest,const char ip[16],uint32 scope_id);
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size_t fmt_ip6ifc(char* dest,const char ip[16],uint32 scope_id);
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size_t scan_ip6_flat(const char *src,char ip[16]);
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size_t fmt_ip6_flat(char *dest,const char ip[16]);
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/*
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ip6 address syntax: (h = hex digit), no leading '0' required
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1. hhhh:hhhh:hhhh:hhhh:hhhh:hhhh:hhhh:hhhh
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2. any number of 0000 may be abbreviated as "::", but only once
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flat ip6 address syntax:
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hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
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*/
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#define IP6_FMT 40
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#define FMT_IP6 40
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extern const char V4mappedprefix[12]; /*={0,0,0,0,0,0,0,0,0,0,0xff,0xff}; */
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extern const char V6loopback[16]; /*={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; */
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extern const char V6any[16]; /*={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; */
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#define ip6_isv4mapped(ip) (byte_equal(ip,12,V4mappedprefix))
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#ifdef __cplusplus
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}
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#endif
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#endif
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