physical_Write
wrote = physical_Write(c->physical, c->argptr, c->arglen);
nw = physical_Write(p, MBUF_CTOP(p->out), p->out->m_len);
extern ssize_t physical_Write(struct physical *, const void *, size_t);
if (physical_Write(p->TermMode->physical, &ch, n) < 0) {
if (physical_Write(p->TermMode->physical, &ch, n) < 0) {