Function sdl2_sys::SDL_RWseek

pub unsafe extern "C" fn SDL_RWseek(
    context: *mut SDL_RWops, 
    offset: Sint64, 
    whence: c_int
) -> Sint64

Seek to \c offset relative to \c whence, one of stdio's whence values: RW_SEEK_SET, RW_SEEK_CUR, RW_SEEK_END

\return the final offset in the data stream, or -1 on error.