vcdir converts a .dir_control file into a mysql dir_control table. Compile line example for gnu/linux:Compile:gcc -I.. -I/usr/include/mysql -g -O2 -Wall -c vcdir.cLink:gcc -g -O2 -Wall -o vcdir vcdir.o ../libvpopmail.a -L/usr/lib/mysql -lmysqlclient -lz -lnsl -lcrypt -lmExample on how to use it:./vcdir domainname.comIn the above example vcdir converted a domain named "domainname.com"To check if it worked, use the mysql command line interface.mysql -uroot -p<enter your root password>use vpopmail;select * from dir_control where domain = "domainname.com";It should show data. The second column is the current numberof users on your system.