Spawn
if (socklen > sizeof Spawn->source)
socklen, sizeof Spawn->source);
if ((sp->next = Spawn) != NULL)
Spawn->prevnext = &sp->next;
sp->prevnext = &Spawn;
Spawn = sp;
if (Spawn == NULL)
for (sp = Spawn; sp; sp = sp->next) {
struct spawn *Spawn = NULL;
for (sp = Spawn; sp; ) {
extern struct spawn * Spawn;
Spawn(prog, acname, provider, exec, ngc, cs, ds, response, sz, optd);