NLPF_UPDATE
#define NLP_SHOULD_UPDATE(n) NLP_ISSET(n, NLPF_UPDATE)
NLP_SET(nlp, NLPF_UPDATE);
NLP_SET(nlp, NLPF_UPDATE);
NLP_UNSET(nlp, NLPF_UPDATE);
NLP_ISSET(nlp, NLPF_UPDATE) ? "TRUE" : "FALSE");
NDMP_TORF(NLP_ISSET(nlp, NLPF_UPDATE)));
NLP_SET(nlp, NLPF_UPDATE);
NLP_SET(nlp, NLPF_UPDATE);
NLP_UNSET(nlp, NLPF_UPDATE);