Annex C (informative)
Compatibility
[diff]
C.6
C standard library
[diff.library]
C.6.2
Modifications to definitions
[diff.mods.to.definitions]
C.6.2.7
Macro
NULL
[diff.null]
1
#
The macro
NULL
, defined in any of
<
clocale
>
(
[clocale.syn]
),
<
cstddef
>
(
[cstddef.syn]
),
<
cstdio
>
(
[cstdio.syn]
),
<
cstdlib
>
(
[cstdlib.syn]
),
<
cstring
>
(
[cstring.syn]
),
<
ctime
>
(
[ctime.syn]
), or
<
cwchar
>
(
[cwchar.syn]
), is an
implementation-defined C++ null pointer constant in this International Standard (
[support.types]
)
.