Accepts two Strings & Compare them

#include <stdio.h>

void main()
{
    int count1 = 0, count2 = 0, flag = 0, i;
    char string1[10], string2[10];

    printf("Enter a string:");
    gets(string1);
    printf("Enter another string:");
    gets(string2);
    /*  Count the number of characters in string1 */
    while (string1[count1] != '\0')
        count1++;
    /*  Count the number of characters in string2 */
    while (string2[count2] != '\0')
        count2++;
    i = 0;

    while ((i < count1) && (i < count2))
    {
        if (string1[i] == string2[i])
        {
            i++;
            continue;
        }
        if (string1[i] < string2[i])
        {
            flag = -1;
            break;
        }
        if (string1[i] > string2[i])
        {
            flag = 1;
            break;
        }
    }
    if (flag == 0)
        printf("Both strings are equal \n");
    if (flag == 1)
        printf("String1 is greater than string2 \n", string1, string2);
    if (flag == -1)
        printf("String1 is less than string2 \n", string1, string2);
}