Unregisters a settable parameter category.
#include <netware.h> int DeRegisterSetParameterCategory ( void *NLMHandle, rtag_t rtag, const char *delCatName);
(IN) Points to the handle for the NML that uses the settable parameter.
(IN) Specifies a resource tag created by calling AllocateResourceTag with the signature parameter set to SettableParameterSignature.
(IN) Points to the name of the category to unregister.
If successful, returns 0. Otherwise, returns a nonzero error code. For a list of possible values, see Section 30.6, Settable Parameter Return Codes.
Before your application unloads, you need to deregister the category after you have deregistered its parameters.