PK_FACE_ask_surf

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


--- returned arguments ---
PK_SURF_t *const surf                --- its surface (possibly PK_ENTITY_null)
)


This function returns the surface of the given face, if there is one, otherwise
PK_ENTITY_null.