CL_CATCH_ALL
— Create a protected region.CL_UNWIND_PROTECT
— Create a protected region.cl_boot
— Setup the lisp environment.cl_shutdown
— Close the lisp environment.ecl_set_option
— Set a boot option.ecl_get_option
— Read the value of a boot option.ecl_clear_interrupts
— Clear all pending signals and exceptions.ecl_disable_interrupts
— Postpone handling of signals and exceptions.ecl_enable_interrupts
— Activate handling of signals and exceptions.