Function gst_ buffer_ pool_ has_ option 
Source pub unsafe extern "C" fn gst_buffer_pool_has_option(
    pool: *mut GstBufferPool,
    option: *const c_char,
) -> gbooleanpub unsafe extern "C" fn gst_buffer_pool_has_option(
    pool: *mut GstBufferPool,
    option: *const c_char,
) -> gboolean