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Null pointer (thing)
See all of Null pointer
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(
thing
)
by
ziplux
Thu Mar 01 2001 at 4:58:56
More precisely, a pointer that points to NULL, or points to the address of 0x00000000. If you try to assign data to the value of a null pointer like this:
char *blah = NULL;
*blah = 'a';
You will usually get a
GPF
.
for(int *p=0;;*(p++)=0);
You, of course, are the exception
The Ten Commandments for C Programmers
dangling pointer
Casting the return value of malloc()
wild pointer
GPF
null is not zero
C Programming Tips and Tricks
NULL is 0
void
Bearded Pointer
stddef.h
sentinel value
Writing to the Windows Clipboard
Humans have six senses, why does everyone think we only have five?
pointer
null
dynamic_cast
...
The most elusive type of problem in a C program
bus error