retrieve a physical connector
phcon_list *getphcon(ptfig, conname, index)
Pointer to the figure in which the connector should be seeked
Name of the connector
getphcon looks in the list of connectors of the physical model pointed
to by ptfig for a connector identified by its conname and
index. Both are needed to make sure the right connector is given back
since n internally wired connectors have the same name.
getphcon returns a pointer to the given connector.
"*** mbk error *** illegal getphcon connector conname.index
doesn't exist in figure ptfig->NAME
No connectors match both arguments.
phcon_list *exist(figname, conname)
char *figname, *conname;
/* if only one exists, it's this one */
return getphcon(getphfig(figname), conname, 0L);