PK_boolean_region_t

typedef int PK_boolean_region_t;

Used in:

PK_BODY_find_facesets_o_t
PK_boolean_region_select_o_t

PK_boolean_region_t has the values:
    PK_boolean_include_c            include regions in the result
    PK_boolean_exclude_c            exclude regions from the result
    PK_boolean_mixed_selection_c    mixed include and exclude region selection
    PK_boolean_off_c                turns off the selection facility