feature_readdir - readdir supported?

Description

feature_readdir can be used to determine if the current platform supports the built-in procedure readdir.

Example

if (supported(feature_closedir)) and
   (supported(feature_readdir)) and
   (supported(feature_opendir)) then
   begin
      //open directory, retrieve filenames, and then close directory
   end
else
   begin
      //Opening, reading, and closing directories are not supported so do
      // something else of abort.
   end

Portability

Operating Systems: All
Standard Pascal: No