char sa[4] = {'o', 'n', 'e', '0'}; // Value '0' is not '\0'
    char sb[4] = {'t', 'w', 'o', '0'}; // Value '0' is not '\0'
    char sc[] = "three";

    //Added Lines

	sa = null;
	sb = null;
	char sa[] = "one";
	char sb[] = "two";

    int main()
    {
        printf("String sa is [%s]\n", sa);
        printf("String sb is [%s]\n", sb);
        printf("String sc is [%s]\n", sc);
    }