//removes all characters besides letters from cline to be able to compare once strings are reversed in next step
   int j;
   for(int i = 0; cline[i] != '\0'; i++){
        while (!( (cline[i] >= 'a' && cline[i] <= 'z') || cline[i] == '\0') ){ //Checks to see if the character in the array is a lower case letter or null character
            for(j = i; cline[j] != '\0'; j++){
                cline[j] = cline[j+1];
            }
            cline[j] = '\0';
        }
    }