Set the options of operations.
Usage
cdo_options_use(operation, options)
cdo_options_set(options)
cdo_options_get(options)
cdo_options_clear()Details
cdo_options_use() takes an operation and adds a set of options to be used
in that operation.
cdo_options_set() sets the default options that all operations should use
by default. You can retrieve the default options with cdo_options_get()
or clear all default options with cdo_options_clear() or cdo_options_set(NULL).
