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Article #709

Re: 配列とsizeof演算子で.

#709
From: Norihiro Kumagai
Date: Thu, 12 Mar 1998 00:00
46 lines
2087 bytes
$B7'C+$G$9!#(B

In article <3506FF04.1EB9@post.co.jp>,
    "Yamazaki Tadashi(ZacK)" <zack@post.co.jp> writes:
> > $B!!#8%S%C%H0J>e$@$C$?$H;W$$$^$9!#!!$A$J$_$K#i#n#t$O#1#6%S%C%H0Jeb(I>$B$C$?(B
> > $B$h$&$J5$$,$7$^$9!#(B
> 
> $B$($H8=<B$N=hM}7O$H$7$F$O$=$&$G$7$g$&$,!"(BC $B$N5,3J$H$7$F$=$N$h$&(B
> $B$JL@J82=$O$5$l$F$$$J$$$O$:$G$9!#(B

$B$U$C$U$C$U!#<B$OL@J82=$5$l$F$k$s$G$9$M$'!#(B

ISO 9899;1990 $B$K$h$l$P!"(B

5.2.4.2.1 Sizes of integral types <limits.h>

  ($BA0N,(B) Their implementation-defined values shall be equal or greater
in magnitude (absolute value) to those shown, with the same sign.

-- number of bits for smallest object that is not a bit-field (byte)
  CHAR_BIT			8
($BCfN,(B)
-- minimum value for an object of type int
  INT_MIN		-32767
-- maximum value for an object of type int
  INT_MAX		+32767
-- maximum value for an object of type unsigned int
  UINT_MAX		65535

$B$H$"$j$^$9$+$i!"(Bchar $B7?%*%V%8%'%/%H$NBg$-$5$O(B 8bit $B0J>e!"(Bint $B7?%*%V%8%'(B
$B%/%H$NBg$-$5$O(B 16bit $B0J>e$H$J$k$H9M$($F$h$$$H;W$$$^$9!#(B

> $B7h$^$C$F$$$k$N$O!"(Bsizeof(char) == 1 $B$G$"$k!"$H$$$&$3$H$G$9!#(B
> $B$3$N(B 1 $B$H$$$&$N$O(B 1 byte $B$G$"$kI,A3@-$O$"$j$^$;$s!#C10L$J$7$N(B
> 1 $B$G$9!J$G$bBgJ}$O(B 1 byte $B$G$9$,(B^^;$B!K!#(B

sizeof $B$NJV$7CM$NC10L$O(B 1byte $B$G$9$h!#F1$8$/(B ISO 9899;1990 $B$N(B 6.3.3.4
The sizeof operator $B$N(B Semantics $B$N9`$K!"(B

The sizeof operator yields the size (in bytes) of its operand. 

$B$H$"$j$^$9$+$i!#(B

--
$B7'C+(B $BE5Bg(B
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Message-ID: <fj29e6.bco.ln@laurel.nk.rim.or.jp>
Path: arc1-ca.pugleaf.net!unknown!not-for-mail
References: <6e4vrl$7jg$1@netnewsa.pfu.co.jp> <3506FF04.1EB9@post.co.jp>

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From: kuma@nk.rim.or.jp (Norihiro Kumagai)
Subject: Re: 配列とsizeof演算子で.
Date: 1998/03/12
Message-ID: <fj29e6.bco.ln@laurel.nk.rim.or.jp>
X-Deja-AN: 333376099
References: <6e4vrl$7jg$1@netnewsa.pfu.co.jp> <3506FF04.1EB9@post.co.jp>
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