fn posix_fadviseLinux(fd: c_int, offset: off_t, len: off_t, advice: c_int) callconv(.c) c_int
fn posix_fadviseLinux(fd: c_int, offset: off_t, len: off_t, advice: c_int) callconv(.c) c_int { return errno(linux.fadvise(fd, offset, len, @intCast(advice))); }