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From: ark@alice.UucP (Andrew Koenig)
Newsgroups: net.lang.c,net.micro,net.micro.pc
Subject: Re: weird C behavior
Message-ID: <5190@alice.uUCp>
Date: Thu, 27-Mar-86 09:52:59 EST
Article-I.D.: alice.5190
Posted: Thu Mar 27 09:52:59 1986
Date-Received: Fri, 28-Mar-86 07:46:32 EST
References: <330@hadron.UUCP>
Organization: Bell Labs, Murray Hill
Lines: 27
Xref: watmath net.lang.c:8284 net.micro:14145 net.micro.pc:7562

>>The code contains the following [paraphrased]:
>>	printf("%d\n", 36864);
>>On a 16 bit machine, this should read
>>	printf("%ld\n", 36864);
>>One alternative is to change Ed's original program to read
>>	#define BIG ((int) 36864)

> Passed arguments should always be passed as an "int", I do believe.

Absolutely not!  Are you really suggesting there's no way to pass
a long integer to a function?  The following are correct:

	printf("%d\n", 1);
	printf("%ld\n", 1L);		/* long constant */
	printf("%ld\n", (long) 1);	/* long constant expression */

The following are incorrect:

	printf("%d\n", 1L);
	printf("%ld\n", 1);
	printf("%d\n", (long) 1);

This one is correct on some machines but not on others:

	printf("%d\n", 36864);

because 36864 is an int on some machines and a long on others.