It’s a macro for zero in C, but they aren’t literally the same thing. If you have a value which is zero, you have a value; if your value is null, then it means that you do not have a value; not even zero.
They could have just as easily made it a macro for 0xFFFF.
It’s a macro for zero in C, but they aren’t literally the same thing. If you have a value which is zero, you have a value; if your value is null, then it means that you do not have a value; not even zero.
They could have just as easily made it a macro for 0xFFFF.