pub unsafe extern "C" fn FactSlotValue(
arg1: *mut Environment,
arg2: *mut Fact,
arg3: *const c_char,
arg4: *mut CLIPSValue,
)pub unsafe extern "C" fn FactSlotValue(
arg1: *mut Environment,
arg2: *mut Fact,
arg3: *const c_char,
arg4: *mut CLIPSValue,
)