Why does gcc 2.2.2 allow function pointer arithmetic?

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1 total messages Started by Jordan K Hubbard Fri, 04 Sep 1992 09:35

#1061

Author: Jordan K Hubbard
Date: Fri, 04 Sep 1992 09:35

15 lines
761 bytes

/* gcc 2.2.2 allows constructs like: */

main()
{
	void (*foo)(), (*bar)();

	printf("%x - %x = %x\n", foo, bar, foo - bar);

	/* As well as ... */

	printf("Yow!  This is zero: %d\n", sizeof(*foo));
}

/* no other C compiler tested so far (native solaris 1, hppa, ibm RS600 )
   allows this */

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