3.7.2 External Object Definitions

[Lars Henrik Mathiesen]

sarima at tdatirv.UUCP (Stanley Friesen) writes:
>In article <eyal.665840220 at echo> eyal at echo.canberra.edu.au (Eyal Lebedinsky) writes:
>>I tried gnu (1.39) which I hope is ANSI by now. It likes this one:
>>
>>(1)	extern int i7;
>>(2)	static int i7 = 1;

>Well, then it is wrong. (1) is a tentative definition with *external* linkage.

Actually, (1) is _not_ a definition, just a declaration. If (2) wasn't
there, i7 would be reference to a definition in another file. (1)
still makes the linkage external since (2) isn't visible at that point.