PK_HAND_t   

typedef int PK_HAND_t;

Used in:

PK_CURVE_eval_curvature_handed
PK_CURVE_eval_handed
PK_CURVE_eval_with_tan_handed
PK_CURVE_general_eval_f_t
PK_CURVE_make_helical_surf
PK_CURVE_make_surf_isocline
PK_EDGE_offset_on_body
PK_POINT_make_helical_curve
PK_SURF_eval_curvature_handed
PK_SURF_eval_handed
PK_SURF_eval_with_normal_handed
PK_SURF_general_eval_f_t


PK_HAND_t has just two values:
    PK_HAND_left_c                      left hand
    PK_HAND_right_c                     right hand