Variable column widths, string lengths in printf-style functions

I have been programming in C for quite some time, but until recently I was not aware that you could specify column widths and string limits using variables. I have neither seen this functionality used in any projects until I started working with OpenSER.

Specify a variable column width:

printf("%*d", width, number);

Specify a variable number of characters from a string:

printf("%.*s", width, string);

Can you please post a link

Can you please post a link to document explaining this feature

Documentation

Post new comment

The content of this field is kept private and will not be shown publicly.
  • Allowed HTML tags: <a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>
  • You can enable syntax highlighting of source code with the following tags: <code>, <blockcode>, <java>, <powershell>, <tsql>, <visualfoxpro>. The supported tag styles are: <foo>, [foo].
  • Lines and paragraphs break automatically.
  • Web page addresses and e-mail addresses turn into links automatically.

More information about formatting options

By submitting this form, you accept the Mollom privacy policy.