prop_getnames
int prop_getnames(struct propctx *ctx, const char **names,
int (*prop_getnames)(struct propctx *ctx, const char **names,
result = prop_getnames(sconn->sparams->propctx, password_request,
ret = prop_getnames(sconn->sparams->propctx, password_request,
utils->prop_getnames=&prop_getnames;
result = sparams->utils->prop_getnames(sparams->propctx,
result = sparams->utils->prop_getnames(sparams->propctx, password_request,