str_new

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

int main() {
    int i = 0, k = 0;
    char n, s;
    char *arr = malloc(sizeof(char));
    char *arr2 = malloc(sizeof(char));
    while (n!= '\n') {
        scanf("%c", &n);
        i++;
        arr = realloc(arr, i*sizeof(char));
        arr[i-1] = n;
    }
    while (s!= '\n') {
        scanf("%c", &s);
        k++;
        arr2 = realloc(arr2, k*sizeof(char));
        arr2[k-1] = s;
    }
    for (int j = 0; j < i-1; j++)
        printf("%c", arr[j]);
    printf("\n");
    for (int j = 0; j < k-1; j++)
        printf("%c", arr2[j]);
    printf("\n");
    //printf("i = %d\n", i);
    //printf("k = %d\n", k);
    int f = 0;
    for (int j = 0; j < i-1; j++) {
        for (int l = 0; l < k-1; l++) {
            //printf("%c\n", arr2[l]);
            if (arr[j+l] != arr2[l]) {
                break;
                //printf("%c\n", arr[j+l]);
                //printf("%c\n", arr2[l]);
            } else {
                f = j + l;
                if (l==k-2) {
                    //printf();
                    printf("j = %d\n", j);
                }
            }
        }
    }
    printf("f = %d", f-k+2);
    return 0;
}