PK_LOOP_ask_edges   

PK_ERROR_code_t   PK_LOOP_ask_edges
(
--- received arguments ---
PK_LOOP_t         loop,             --- a loop

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


This function returns a set of edges in the given loop.


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