Newsgroups: comp.lang.c
Path: utzoo!telly!robohack!druid!darcy
From: darcy@druid.uucp (D'Arcy J.M. Cain)
Subject: Re: IsUnsigned() function?
Message-ID: <1990Jul18.001326.5728@druid.uucp>
Organization: D'Arcy Cain Consulting, West Hill, Ontario
References: <1990Jul16.214155.5087@Neon.Stanford.EDU>
Date: Wed, 18 Jul 90 00:13:26 GMT

In article <1990Jul16.214155.5087@Neon.Stanford.EDU>
jhsu@Neon.Stanford.EDU (Jeffrey H. Hsu) writes:
>	Here is a C question I was asked at a Microsoft interview (no, I didn't
>get the job...).
>	How would you write a space efficient algorithm/function in C that 
>takes in an integer and returns 0 if signed and 1 if unsigned?
>	IsUnsigned(a)
>		int a;
>	{
>	}
How about:
#define IsUnsigned(a) 0

Since your declaration says that a is an int then you are saying it
is always signed.

-- 
D'Arcy J.M. Cain (darcy@druid)     |   Government:
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