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- int read_int(int *number)
- {
- int ret;
- if (number == NULL) { // Tarkistetaan annetu osoitin
- return -1; // Osoittimen ollessa epäkelpo, funktiosta poistutaan
- }
- ret = scanf("%d", number);
- if (ret != 1) { // Tarkistetaan onnistuiko lukeminen
- return -1;
- }
- return ret;
- }
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