FARGS_RECEIVER
if (f->mode != FARGS_RECEIVER) {
if (f->mode == FARGS_RECEIVER) {
if (f->mode == FARGS_RECEIVER)
f->mode = FARGS_RECEIVER;
if (f->mode == FARGS_RECEIVER)
if (f->mode != FARGS_RECEIVER)
} else if (f->mode != FARGS_RECEIVER)
assert(fargs->mode == FARGS_RECEIVER);
assert(f->mode == FARGS_RECEIVER);