typedef int PK_abort_reason_t; This type is used by an application to specify a reason for requesting Parasolid to abort a modelling operation. PK_abort_reason_t Meaning PK_abort_user_interrupt_c Abort requested to handle user interrupt PK_abort_runtime_error_c Abort requested to handle runtime error PK_abort_frustrum_error_c Abort requested to handle error in frustrum