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.TH socket_bind6 3
.SH NAME
socket_bind6 \- set the local IP address and port of a socket
.SH SYNTAX
.B #include <libowfat/socket.h>
int \fBsocket_bind6\fP(int \fIs\fR, char \fIip\fR[16], uint16 \fIport\fR,
uint32 \fIscope_id\fR);
.SH DESCRIPTION
socket_bind6 sets the local IP address and TCP/UDP port of a TCP/UDP
socket \fIs\fR to \fIip\fR and \fIport\fR respectively.
If the IP address is ::, the operating system chooses a local IP
address. If \fIport\fR is 0, the operating system chooses a port.
Normally socket_bind6 returns 0. If anything goes wrong, socket_bind6
returns -1, setting errno appropriately.
The \fIscope_id\fR should normally be zero, but for link-local addresses
it specifies the interface number on which to bind. The interface
number for a given network interface name can be found with
\fBsocket_getifidx\fR.
.SH EXAMPLE
#include <libowfat/socket.h>
int \fIs\fR;
char \fIip\fR[16];
uint16 \fIp\fR;
uint32 \fIscope_id\fR;
\fIs\fR = socket_tcp6();
socket_bind6(s,ip,p,scope_id);
socket_connect6(s,ip,p);
.SH "SEE ALSO"
socket_bind4(3), socket_getifidx(3)