fc_context
struct fc_context *fctx = &rctx->fctx;
req_info->in[*argcnt].size = sizeof(struct fc_context);
req_info->req.dlen += sizeof(struct fc_context);
struct fc_context *fctx = &rctx->fctx;
memset(fctx, 0, sizeof(struct fc_context));
struct fc_context fctx;