Function posix_fadvise
pub unsafe extern "C" fn posix_fadvise(fd: c_int, offset: off_t, len: off_t, advise: c_int) -> c_intposix_fadvisepub unsafe extern "C" fn posix_fadvise(fd: c_int, offset: off_t, len: off_t, advise: c_int) -> c_int