Pokazivaci, nizovi, datoteke...

#include <stdio.h>
#include <stdlib.h>
#define MAX_SIZE 999

void bubbleSort(int (*a)[MAX_SIZE], int length) {
    int i, j, t;
    for (i = length - 1; i >= 0; i--) {
        for (j = 1; j <= i; j++) {
            if ((*a)[j-1] > (*a)[j]) {
                t = (*a)[j-1];
                (*a)[j-1] = (*a)[j];
                (*a)[j] = t;
            }
        }
    }
}

void swapSort(int (*a)[MAX_SIZE], int length) {
    int i, j, t;
    for (i = 1; i < length; i++) {
        for (j = 0; j < i; j++) {
            if ((*a)[i] > (*a)[j]) {
                t = (*a)[i];
                (*a)[i] = (*a)[j];
                (*a)[j] = t;
            }
        }
    }
}

void printArray(int a[MAX_SIZE], int length) {
    int i;
    for (i = 0; i < length; i++) {
        printf("%i\n", a[i]);
    }
}

void reverseArray(int (*a)[MAX_SIZE], int length) {
    int i, t;

    for (i = 0; i < length / 2; i++) {
        t = (*a)[i];
        (*a)[i] = (*a)[length - i - 1];
        (*a)[length - i - 1] = t;
    }
}

void fPrintArray(int (*a)[MAX_SIZE], int length) {
    FILE *fo;

    fo = fopen("pokazivaci.txt", "w");

    int i;
    for (i = 0; i < length; i++) {
        fprintf(fo, "%i\n", (*a)[i]);
    }

    fclose(fo);
}

void pointerArrayTest() {
    const locSize = 98765;

    int *p;
    p = malloc(sizeof(int) * locSize);

    long int i;
    for (i = 0; i <= locSize; i++)
        *(p + i) = i;

    printf("Posljednji clan: %i \n", *(p + i - 1));

    free(p);
}

int main()
{
    int p[MAX_SIZE] = {25, 8, 1994, 1, 0};
    int p_i = 5;

    printf("Niz: \n");
    printArray(p, p_i);
    fPrintArray(p, p_i);

    printf("\n\nRastuci (Bubble Sort): \n");
    bubbleSort(&p, p_i);
    printArray(p, p_i);

    printf("\n\nOpdajuci (Swap Sort): \n");
    swapSort(&p, p_i);
    printArray(p, p_i);

    printf("\n\nReverse: \n");
    reverseArray(&p, p_i);
    printArray(p, p_i);

    //dio sa predavanja, upotreba malloc() i free() funkcije
    printf("\n\nTest: pokazivaci kao nizovi: \n");
    pointerArrayTest();

    return 0;
}