PK_FACE_ask_edges

PK_ERROR_code_t   PK_FACE_ask_edges
(
--- received arguments ---
PK_FACE_t         face,            --- a face

--- 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 face.


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