text: int mx_strcmp(const char *s1, const char *s2) {
      int i = 0;
  
      while (s1[i] == s2[i]) {
          if (s1[i] == '\0') {
              return s1[i] - s2[i];
          }
          i++;
      }
      if (s1[i] - s2[i] > 0) {
          return 1;
      }
      else {
          return -1;
      }
  }
  
  