PK_ERROR_code_t    PK_PART_ask_construction_curves
(
--- received arguments ---
PK_PART_t          part,            --- a part

--- returned arguments ---
int         *const n_con_curves,    --- number of construction curves (>=0)
PK_CURVE_t **const con_curves       --- construction curves (optional)
)


This function returns the set of construction curves connected to the given
part.


The output array con_curves is optional. If it is set to NULL, the function
will only compute the number of construction curves in the part.