forwards_apply_cfg
int forwards_apply_cfg(struct iter_forwards* fwd, struct config_file* cfg);
!forwards_apply_cfg(ctx->env->fwds, cfg))
!forwards_apply_cfg(daemon->env->fwds, daemon->cfg))
if(!forwards_apply_cfg(ct->fwds, newcfg)) {
int forwards_apply_cfg(struct iter_forwards* fwd, struct config_file* cfg);
!forwards_apply_cfg(ctx->env->fwds, cfg))
if(!fwd || !forwards_apply_cfg(fwd, cfg)) {