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| fmt_ip6ifc(3) | FreeBSD Library Functions Manual | fmt_ip6ifc(3) |
NAME
fmt_ip6ifc - write a formatted ASCII representation of an IPv6 numberSYNTAX
#include <libowfat/ip6.h>unsigned int fmt_ip6ifc(char *dest,const char ip[16],uint32 scope_id);
DESCRIPTION
fmt_ip6ifc formats an IPv6 number in ASCII representation from ip and writes the result into dest. It returns the number of bytes written.fmt_ip6ifc will apply "::" compression to the output.
If ip is an IPv4-mapped IPv6 address, fmt_ip6ifc will output it as IPv4 address.
If dest equals FMT_LEN (i.e. is zero), fmt_ip6ifc returns the number of bytes it would have written.
fmt_ip6 does not append \0.
ip6.h defines the integer IP6_FMT to be big enough to contain every possible fmt_ip6 output plus \0. However, for fmt_ip6ifc you need to add 1 for the '%' and IF_NAMESIZE from <net/if.h> for the interface name.
EXAMPLE
#include <libowfat/ip6.h>char buf[IP6_FMT]; char ip[16]; scope_id sid; buf[fmt_ip6ifc(buf,ip,sid)]=0;
SEE ALSO
scan_ip6(3), fmt_ip4(3)
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