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Date:      07 Aug 1999 00:38:18 +0200
From:      Assar Westerlund <assar@sics.se>
To:        Marc Tardif <intmktg@CAM.ORG>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: prototypes with __P
Message-ID:  <5lr9lga61w.fsf@assaris.sics.se>
In-Reply-To: Marc Tardif's message of "Fri, 6 Aug 1999 18:33:30 -0400 (EDT)"
References:  <Pine.SOL.4.10.9908061827240.41-100000@Stratus.CAM.ORG>

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Marc Tardif <intmktg@CAM.ORG> writes:
> At first, I simply considered the "__P" as a syntax convention. But, then
> again, this kind of syntax has to be defined somewhere. I've looked all
> over the place but can't seem to put the finger on the source of this
> syntax.

It's in <sys/cdefs.h>:

#if defined(__STDC__) || defined(__cplusplus)
#define	__P(protos)	protos		/* full-blown ANSI C */

[ ... ]

#else	/* !(__STDC__ || __cplusplus) */
#define	__P(protos)	()		/* traditional C preprocessor */

> If anyone could point me in the right direction, and maybe even show me
> how I could've found the answer myself, I'd appreciate.

grep?

/assar


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