NetIF_LinkStateGet()
Get network interface’s last known physical link state.
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net_if.h/net_if.c
Prototype
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Arguments
if_nbr
Network interface number to get last known physical link state.
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Pointer to variable that will receive the return error code from this function:
NET_IF_ERR_NONE
NET_IF_ERR_INVALID_IF
NET_OS_ERR_LOCK
Returned Value
NET_IF_LINK_UP
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