Function librist_sys::rist_oob_write

pub unsafe extern "C" fn rist_oob_write(
    ctx: *mut rist_ctx, 
    oob_block: *const rist_oob_block
) -> c_int

@brief Write data directly to a remote receiver peer.

This API is used to transmit out-of-band data to a remote receiver peer

@param ctx RIST context @param oob_block a pointer to the struct rist_oob_block @return number of written bytes on success, -1 in case of error.