attrib -r circle.dll
del *.jar *.class *.dll *.obj
javac -g Circle.java
javac -g JDBC.java
javac -g Env.java
javac -g LO.java
jar -cf Circle.jar Circle.class
jar -cf Env.jar Env.class
jar -cf JDBC.jar JDBC.class
jar -cf LO.jar LO.class

cl -I%INFORMIXDIR%/incl/public -LD circle.c %INFORMIXDIR%/lib/sapi.lib -Fecircle.dll
attrib +r circle.dll