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| -rw-r--r-- | manual/stdio.texi | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi index da29f43867..05ecab042e 100644 --- a/manual/stdio.texi +++ b/manual/stdio.texi @@ -1618,9 +1618,16 @@ template string. The conversion specifications in a @code{printf} template string have the general form: -@example +@smallexample % @r{[} @var{param-no} @r{$]} @var{flags} @var{width} @r{[} . @var{precision} @r{]} @var{type} @var{conversion} -@end example +@end smallexample + +@noindent +or + +@smallexample +% @r{[} @var{param-no} @r{$]} @var{flags} @var{width} . @r{*} @r{[} @var{param-no} @r{$]} @var{type} @var{conversion} +@end smallexample For example, in the conversion specifier @samp{%-10.8ld}, the @samp{-} is a flag, @samp{10} specifies the field width, the precision is @@ -1640,13 +1647,13 @@ formats in the order of appearance in the format string. But in some situations (such as message translation) this is not desirable and this extension allows an explicit parameter to be specified. -The @var{param-no} part of the format must be an integer in the range of +The @var{param-no} parts of the format must be integers in the range of 1 to the maximum number of arguments present to the function call. Some implementations limit this number to a certainly upper bound. The exact limit can be retrieved by the following constant. @defvr Macro NL_ARGMAX -The value of @code{ARGMAX} is the maximum value allowed for the +The value of @code{NL_ARGMAX} is the maximum value allowed for the specification of an positional parameter in a @code{printf} call. The actual value in effect at runtime can be retrieved by using @code{sysconf} using the @code{_SC_NL_ARGMAX} parameter @pxref{Sysconf |