swap() macro

[Gregory Smith]

In article <1201 at brl-smoke.ARPA> Schauble at MIT-MULTICS.ARPA (Paul Schauble) writes:
>Can someone construct a version that makes
>
>    int *a, *b;
>    swap (*a++,*b++);
>
>work right?
>
#define swap( a,b ) { int *p1,*p2,t;\
	p1= &(a); p2= &(b); t= *p1;*p1= *p2;*p2=t;}

No, it isn't pretty.
how about:

#define swap(a,b) fswap(&(a),&(b))
fswap(a,b) int *a,*b;
{	etc.


-- 
"Shades of scorpions! Daedalus has vanished ..... Great Zeus, my ring!"
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Greg Smith     University of Toronto      UUCP: ..utzoo!utcsri!greg