Simple helper in C decodes IP address to binary format

decode_ip.c

#include <stdio.h>
#include <string.h>

int main(){
    long int remainder, quotient;
    int binaryNumber[100], i = 1, j = 0, k = 0, l = 0;
    int remaining_zero = 0;
    int ipaddr[4];

    printf("Enter IP: ");
    scanf("%d.%d.%d.%d", &ipaddr[0], &ipaddr[1], &ipaddr[2], &ipaddr[3]);

    for (k = 0; k < 4; k++) {
        i = 1; j = 0;
        memset(binaryNumber, 0, sizeof(int)*100);

        quotient = ipaddr[k];

        while (quotient != 0) {
            binaryNumber[i++] = quotient % 2;
            quotient = quotient / 2;
        }

        remaining_zero = 8 - (i - 1);

        for (l = 0; l < remaining_zero; l++)
            printf("0");

        for (j = i - 1; j > 0; j--)
            printf("%d", binaryNumber[j]);


        if (k != 3)
            printf("|");
    }

    printf("\n");

    return 0;
}