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From: boyne@hplvli.HP.COM (Art Boyne)
Newsgroups: comp.lang.c
Subject: Re: cast question
Message-ID: <340007@hplvli.HP.COM>
Date: 31 Jan 89 15:12:44 GMT
References: <662@csd4.milw.wisc.edu>
Organization: Loveland Inst. Div
Lines: 21

jd@csd4.milw.wisc.edu (James R Drinkwater) asks:

> Will I  run into any problems with the following:
> 
> 	struct something *ptr;
> 	...
> 		func((int)ptr);
> 	...
> 	func(arg)
> 	int arg;
> 	{
> 		...
> 		return(arg);
> 	}

Certainly will, on machines where sizeof(pointer) > sizeof(int).
The implementation of C for the 68000 I've been using for the
last five years has sizeof(pointer)=sizeof(long)=32 bits and
sizeof(int)=16 bits.

Art Boyne     boyne@hplvla.HP.COM