Constant ffav_sys::AVERROR_HTTP_NOT_FOUND

pub const AVERROR_HTTP_NOT_FOUND: c_int = -(248 as isize | (b'4' as isize) << 8 | (b'0' as isize) << 16 |
      (b'4' as isize) << 24) as c_int; // -875_574_520i32