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35 lines
1.0 KiB
35 lines
1.0 KiB
.TH fmt_ip6ifc 3 |
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.SH NAME |
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fmt_ip6ifc \- write a formatted ASCII representation of an IPv6 number |
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.SH SYNTAX |
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.B #include <ip6.h> |
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unsigned int \fBfmt_ip6ifc\fP(char *\fIdest\fR,const char \fIip\fR[16],uint32 \fIscope_id\fR); |
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.SH DESCRIPTION |
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fmt_ip6ifc formats an IPv6 number in ASCII representation from \fIip\fR and |
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writes the result into \fIdest\fR. It returns the number of bytes |
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written. |
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fmt_ip6ifc will apply "::" compression to the output. |
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If \fIip\fR is an IPv4-mapped IPv6 address, fmt_ip6ifc will output it as |
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IPv4 address. |
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If \fIdest\fR equals FMT_LEN (i.e. is zero), fmt_ip6ifc returns the number |
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of bytes it would have written. |
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fmt_ip6 does not append \\0. |
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ip6.h defines the integer IP6_FMT to be big enough to contain every |
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possible fmt_ip6 output plus \\0. However, for fmt_ip6ifc you need to |
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add 1 for the '%' and IF_NAMESIZE from <net/if.h> for the interface |
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name. |
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.SH EXAMPLE |
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#include <ip6.h> |
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char buf[IP6_FMT]; |
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char ip[16]; |
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scope_id sid; |
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buf[fmt_ip6ifc(buf,ip,sid)]=0; |
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.SH "SEE ALSO" |
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scan_ip6(3), fmt_ip4(3)
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