[pypy-dev] Best way to inline a primitive array in RPython?

Looking at rbuffer, rgc, and the lltype namespaces, it's not completely clear to me how I would go about writing a struct with a resizable primitive array inlined. Something like: typedef struct foo_t { int a, b; int _data[0]; } foo_t tmp = malloc(sizeof(foo_t) + 64); I can see that the GC has the ability to allocate "extra" memory beyond what's required for a struct, and that lltype has the ability to inline some lists into a struct, but how does this work in practice? And maybe I'm missing something in the docs, so simply pointing me to some docs is also fine. -- “One of the main causes of the fall of the Roman Empire was that–lacking zero–they had no way to indicate successful termination of their C programs.” (Robert Firth)