How should one test for seteuid()'s existence?

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Article #752

#752

From: Paul Eggert
Date: Fri, 08 Feb 1991 21:43

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Submitted-by: eggert@twinsun.uucp (Paul Eggert)

I've heard that IEEE will publish a separate supplement to IEEE Std 1003.1
(ISO/IEC 9945-1) that covers seteuid(), among other issues.  In the latest
draft of this supplement, how should a program test for the existence of
seteuid()?  Will the following test work?

	#include <unistd.h>

	#if _POSIX_VERSION > 199009L
		... seteuid() exists ...
	#endif

Volume-Number: Volume 22, Number 119

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From: eggert@twinsun.uucp (Paul Eggert)
Newsgroups: comp.std.unix
Subject: How should one test for seteuid()'s existence?
Message-ID: <17833@cs.utexas.edu>
Date: 8 Feb 91 21:43:19 GMT
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