>>940

int save(Address *ap, int cnt)
{
FILE *fp = fopen("data.bin", "rb");
if (fp == NULL) {
return 0;
}
return write(ap, sizeof(*ap), cnt, fp);
}

int load(Address *ap, int cnt)
{
FILE *fp = fopen("data.bin", "rb");
if (fp == NULL) {
return cnt;
}
return fread(ap, sizeof(*ap), cnt, fp);
}