NULL
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Description
NULL is a pointer, pointing to nothing. In programming it points to 0x00000000, or just plain 0.
The following check is the same as checking if a pointer variable is NULL:
if(my_pointer) end
In which my_pointer is a pointer variable.
| Constant | - Value | - Description |
| NULL | - 0 | - 0x00000000, pointing to nothing. |