sparknotes
What Are Pointers?
Problems
Problem : Is the following piece of C code valid?
int main()
{
int *steve;
steve = &steve;
return 0;
}
Problem : What is wrong with the following code?
int main()
{
int *steve;
*steve = 100;
printf("%d\n", *steve);
return 0;
}
Problem : Will the following code compile and run?
int main()
{
int a = 5;
a = *&*&*&*&a;
printf("a is %d\n", a);
return 0;
}
Problem : Will the following code compile and run?
int main()
{
int a = 5;
a = **&&a;
printf("a is %d\n", a);
return 0;
}
Problem : Why do we care about assigning the value NULL to a pointer when the pointer isn't being used?
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