Function libiio_sys::iio_buffer_get_poll_fd

pub unsafe extern "C" fn iio_buffer_get_poll_fd(
    buf: *mut iio_buffer
) -> c_int

@brief Get a pollable file descriptor

Can be used to know when iio_buffer_refill() or iio_buffer_push() can be called @param buf A pointer to an iio_buffer structure @return On success, valid file descriptor @return On error, a negative errno code is returned