Date: Sun, 16 Oct 2011 23:07:59 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: freebsd-questions@freebsd.org Subject: Re: need to check for hex in C: how/ Message-ID: <4E9B55BF.3090305@infracaninophile.co.uk> In-Reply-To: <20111016212628.GA30284@thought.org> References: <20111016212628.GA30284@thought.org>
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On 16/10/2011 22:26, Gary Kline wrote:
> if n == 15 and x is the int. i can say
>
> if ((int)x == 15) Or to check if x == 'A' i can cast x to (char)x.
>
> what's the syntax to chec if x is , say, 32/
In C code you can write an integer constant in hexadecimal by prefixing
it with 0x -- so 0x32 is the hexadecimal constant equal to decimal 50.
if ( x == 0x32 ) ...
I guess that's what you're asking; '32/' is not any sort of syntax I've
ever seen before to indicate hexadecimal.
Cheers,
Matthew
Tempted to interpret it as 32 shillings old money (£1.60 in decimal coinage)
--
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
JID: matthew@infracaninophile.co.uk Kent, CT11 9PW
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