gregarican wrote: > values being fed are long data types ('L'). But the last few numeric > values being fed in are listed as being short data types (see my code > comments below). What do I put into the DL call method to indicate the > short data types for them? "h" or "H" are for the short data types. P.S. Please refer the following resources if needed. http://rubyforge.org/cgi-bin/viewcvs.cgi/dlcookbook/win32/?cvsroot=dlcookbook http://raa.ruby-lang.org/project/rdl_en/ http://www.ruby-lang.org/cgi-bin/cvsweb.cgi/~checkout~/ruby/ext/dl/doc/Attic/dl.txt?rev=1.9;content-type=text%2Fplain;hideattic=0;only_with_tag=v1_8_3 -- Takaaki Tateishi <ttate / ttsky.net>