main ( )
{
    char * s1 = “abcd”;    \\ A
    char  s2[] = “efgh”;     \\ B
printf( “%s %16lu \n, s1, s1);     \\ C
printf( “%s %16lu \n, s2, s2);      \\ D

    s1 = s2;              \\ E
printf( “%s %16lu \n, s1, s1);       \\ F
printf( “%s %16lu \n, s2, s2);       \\ G
}