Function ncdirect_get_blocking 

pub fn ncdirect_get_blocking(
    ncd: &mut NcDirect,
    input: Option<&mut NcInput>,
) -> NcResult_i32

Reads input blocking until an event is processed or a signal is received.

Will optionally write the event details in input.

In case of an invalid read (including on EOF) -1 is returned.

Method: NcDirect.get_blocking().