Function guile_sys::scm_internal_cwdr

pub unsafe extern "C" fn scm_internal_cwdr(
    body: scm_t_catch_body, 
    body_data: *mut c_void, 
    handler: scm_t_catch_handler, 
    handler_data: *mut c_void, 
    stack_start: *mut SCM_STACKITEM
) -> SCM