Password

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

int main()
{
    int counter;
    int i;
    char password[10];
    counter=0;
    printf("Enter your password (maximum 9 characters): ");
    scanf("%s", password);
    printf("\n");
    for (i=0;i<10;i++){
      if (isalpha(password[i])) {
        if (isupper(password[i])) {
            counter++;
            break;
        }
      }
    }
    for (i=0;i<10;i++){
      if (isalpha(password[i])) {
        if (islower(password[i])) {
            counter++;
            break;
        }
      }
    }
    for (i=0;i<10;i++){
      if (isdigit(password[i])) {
        counter++;
        break;
      }
    }
    if (counter==3){
        printf("Your password is correct.\n");
    }
    else {
        printf("\aYour password is not correct.\n");
    }
    printf("%s", password);
    return 0;
}