#include <stdio.h>
#include <GETPRICE.h>

int main(int argc, int *argv[]) {
    PRICE *p;
    if (init_price(p, "file") != 0)
        return 1;

    printf("The price of an apple is %s\n", get_price(p, "apple"));
    destroy_price(p);
    return 0;
}
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The summary of this thread should simply be - C and Perl are different, get over it.