pub unsafe extern "C" fn otChildSupervisionGetInterval(
    aInstance: *mut otInstance
) -> u16
Expand description

Gets the Child Supervision interval (in seconds) on a child.

Child Supervision feature provides a mechanism for parent to ensure that a message is sent to each sleepy child within the supervision interval. If there is no transmission to the child within the supervision interval, OpenThread enqueues and sends a Child Supervision Message to the child.

@param[in] aInstance A pointer to an OpenThread instance.

@returns The child supervision interval. Zero indicates that supervision is disabled.