#include <stdio.h>
#include <stdlib.h>

int comparestr(const char *, const char *);
const char* getocc(const char *, char);

int main(int argc, char *argv[]) {
    char test1[] = "This is a string";
    char test2[] = "This is a string";
    char test3[] = "This is another string";
    char test4[] = "And this is not";
    char test5[] = "Teste";

    const char *a = getocc(test5, 'e');

    printf("Test1 and test2: %s\n", comparestr(test1, test2) ? "not equal" : "equal");
    printf("Test3 and test4: %s\n", comparestr(test3, test4) ? "not equal" : "equal");

    printf("Tester getocc: %s\n", (*a == 0) ? "fant ikke!" : "fant!");

    exit(EXIT_SUCCESS);
}

int comparestr(const char *a, const char *b) {
    while(*a == *b) {
        if (*(a++) == 0) 
            return 0;
        b++;
    }

    return 1;
}

const char* getocc(const char *a, char c) {
    while (*a && *a != c) {
        if (*(a++) == 0)
            return 0;
    }

    return a;
}