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4.14 Library functions
The behavior of most of these points are dependent on the implementation of the C library, and are not defined by GCC itself.
-
The null pointer constant to which the macro
NULL
expands (C90 7.1.6, C99 7.17).In
<stddef.h>
,NULL
expands to((void *)0)
. GCC does not provide the other headers which defineNULL
and some library implementations may use other definitions in those headers.
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