In the sample makefile shown above, make includes the -C option when invoking ECPGPlus to specify that ECPGPlus should be invoked in Pro*C compatible mode.If you include the -C PROC keywords on the command line, in addition to the ECPG syntax, you may use Pro*C command line syntax; for example:To display a complete list of the other ECPGPlus options available, navigate to the ECPGPlus installation directory, and enter:
-C mode Use the -C option to specify a compatibility mode:INFORMIX_SE -D symbol Define a preprocessor symbol. Search directory for include files. -o outfile Write the result to outfile. -r option Specify run-time behavior; option can be:no_indicator - Do not use indicators, but instead use special values to represent NULL values.prepare - Prepare all statements before using them.questionmarks - Allow use of a question mark as a placeholder.usebulk - Enable bulk processing for INSERT, UPDATE and DELETE statements that operate on host variable arrays. Turn on autocommit of transactions. Disable #line directives. Please Note: If you do not specify an output file name when invoking ECPGPlus, the output file name is created by stripping off the .pgc file name extension, and appending .c to the file name.