char *remove_comments(char *input)
{

    int pituus = strlen(input);
    char* buffer = malloc((pituus+1) * sizeof(char));
    int i = 0;
    int a = 0;

    while(input[i] != '\0') {

        if (input[i] == '/' && input[i+1] == '*' ) {
            i+=2;
            while (input[i] != '*' || input[i+1] != '/')  {
                i++;
            }
            i+=2;
        }

        else if (input[i] == '/' && input[i+1] == '/') {
            i++;
            while(input[i] != '\n') {
                i++;
            }
            i++;
        }
        buffer[a] = input[i];
        i++;
        a++;
    }

    free(input);
    buffer[a] = '\0';
    return buffer;
}