char alphabet[26] = "abcdefghijklmnopqrstuvwxyz";
int str_length = stringLength(str);
- for (int i; i < str_length; i++) {
+ for (int i = 0; i < str_length; i++) {
//if (str[i] == ' ') continue;
for (int j = 0; j < 26; j++) {
if (str[i] == alphabet[j]) {