check_and_get_int
if (check_and_get_int($3, &temp) ==
if (check_and_get_int($2, &number) == 0) {
if (check_and_get_int($2, &number) == 0) {
if (check_and_get_int($2, &number) == 0) {
if (check_and_get_int($2, &number) == 0) {
if (check_and_get_int($1, &number) == 0) {