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```{index} single: sizeof (Peta::FFI)
```
```{index} single: Peta::FFI::sizeof
```

# sizeof

The size of a type in bytes, as C's `sizeof`.

## Synopsis

```perl
my $n = Peta::FFI::sizeof("{My::Point}");   # 16
my $buf = Peta::FFI::alloc(Peta::FFI::sizeof("u32[8]"));
```

Any one type of the signature language: a number type, `o`, `p`
(a pointer), `T[N]`, `*T` and a record. `T[]` is 0.