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main()
{
char *p;
printf("%d %d ",sizeof(*p),sizeof(p));
}
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Answer Posted / dilberphant
The results are indeterminate. The program code is in error.
1) The variadic function printf() requires an in-scope
prototype. No prototype for printf() has been provided.
2) main() is (by definition) a function that returns an
integer value. It is unclear which version of the C language
this program is intended to conform to, and for most
versions of the language, main() is required to include a
return <value>;
for some integer <value>
3) In a hosted environment, main() accepts either two
arguments (an int, and a char *[]) or none. Thus, either
main(int argc, char *argv[])
or
main(void)
are acceptable
4) The size of a pointer is dependant on operating platform
and C compiler implementation. The C language does not
define a "correct" value for sizeof (char *), and thus /any/
value for sizeof (char *) is acceptable (with the above
caveats about platform and compiler). The value is
unpredictable at a theoretical level.
| Is This Answer Correct ? | 2 Yes | 1 No |
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