net_routeto - indicate which network interface packets are sent
phy_if_t net_routeto(const net_data_t *net, struct sockaddr *address,
struct sockaddr *nexthop);
illumos DDI specific (illumos DDI).
network address to find a path out of the machine
pointer to the sockaddr structure in which to
store the address of the next hop. If this information is not required, the
value NULL may be passed instead.
The net_routeto() function indicates which network interface packets
destined for a particular address would be sent out of, according to the
systems network routing tables. If next is supplied as a
non-NULL pointer, the IP address of the nexthop router to
be used is returned in it.
The net_routeto() function returns:
The network protocol does not support this
This function cannot find a route for the address
Indicates which network interface can be used to reach
the given address.
The net_routeto() function may be called from user, kernel, or interrupt
See attributes(7) for descriptions of the following attributes: