10int f_isnull(
int argc,
const int *argt,
void **args)
20 if (argt[0] != CELL_TYPE)
28 res[i] = IS_NULL_C(&arg1[i]) ? 1 : 0;
32 FCELL *arg1 = args[1];
35 res[i] = IS_NULL_F(&arg1[i]) ? 1 : 0;
39 DCELL *arg1 = args[1];
42 res[i] = IS_NULL_D(&arg1[i]) ? 1 : 0;