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Diffstat (limited to 'manual/lang.texi')
| -rw-r--r-- | manual/lang.texi | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/manual/lang.texi b/manual/lang.texi index c4b641d4e1..75af677dc9 100644 --- a/manual/lang.texi +++ b/manual/lang.texi @@ -628,11 +628,10 @@ There is no operator in the C language that can give you the number of bits in an integer data type. But you can compute it from the macro @code{CHAR_BIT}, defined in the header file @file{limits.h}. -@table @code -@item CHAR_BIT -@standards{ISO, limits.h} -This is the number of bits in a @code{char}---eight, on most systems. -The value has type @code{int}. +@deftypevr Macro int CHAR_BIT +@standards{C90, limits.h} +This is the number of bits in a @code{char}. POSIX.1-2001 requires +this to be 8. You can compute the number of bits in any data type @var{type} like this: @@ -640,7 +639,7 @@ this: @smallexample sizeof (@var{type}) * CHAR_BIT @end smallexample -@end table +@end deftypevr That expression includes padding bits as well as value and sign bits. On all systems supported by @theglibc{}, standard integer types other |