NULL: Difference between revisions

Latest revision as of 16:26, 13 March 2018

The NULL pointer value is a pointer that doesn't point to a data object.

NULL is defined as:

#define NULL 0 // in C++
#define NULL ((void*)0) /* in C */

@@ Line 1: / Line 1: @@
-== NULL ==
+The NULL pointer value is a pointer that doesn't point to a data object.
-Null Pointer value.
-=== Type ===
+=== Value ===
+NULL is defined as:
+ #define NULL 0 // in C++
+ #define NULL (([[void]]*)0) /* in C */
-Null is definied as:
+[[Category:Constant]]
- #define NULL 0           in C++
- #define NULL (([[OS2 API:DataType:void|void]] *)0) in C