PK_ERROR_code_t   PK_BODY_ask_edges
(
--- received arguments ---
PK_BODY_t         body,             --- a body

--- returned arguments ---
int        *const n_edges,          --- number of edges (>= 0)
PK_EDGE_t **const edges             --- edges (optional)
)


This function returns the set of edges in the given body.


The output array edges is optional. If it is set to NULL, the function
will only compute the number of edges in the body.