Re: declarations in crunch.h

> Hi,
>
> Another beginner question as I try to understand how stuff works in Crunch, so there is this typedef section in crunch.h:
>
> ```
>  138 typedef crunch_string_block *crunch_string;
>  139 typedef crunch_vector_block *crunch_vector;
>  140 typedef crunch_u8vector_block *crunch_u8vector;
>  141 typedef crunch_s8vector_block *crunch_s8vector;
>  142 typedef crunch_u16vector_block *crunch_u16vector;
>  143 typedef crunch_s16vector_block *crunch_s16vector;
>  144 typedef crunch_u32vector_block *crunch_u32vector;
>  145 typedef crunch_s32vector_block *crunch_s32vector;
>  146 typedef crunch_u64vector_block *crunch_u64vector;
>  147 typedef crunch_s64vector_block *crunch_s64vector;
>  148 typedef crunch_f32vector_block *crunch_f32vector;
>  149 typedef crunch_f64vector_block *crunch_f64vector;
>  150 typedef crunch_c64vector_block *crunch_c64vector;
>  151 typedef crunch_c128vector_block *crunch_c128vector;
>  152 typedef crunch_port_block *crunch_port;
>  153 typedef crunch_record_block *crunch_record;
> ```
>
> I would expect that `*crunch_string` is defined somewhere. But it is not, not in crunch.h and also not in the generated out.c file.

"crunch_string" is typedef'd to be a pointer to "crunch_string_block", which in turn
is typedef'd to be a "crunch_sequence(char)" which is a macro that expands into
a struct with elements of type "char".


cheers,
felix