getport
if (*getport(cur))
*getport(__UNCONST(ai)) = port;
*getport(cur) = htons(srv->port);
sp = getport(service = optarg, "tcp");
portnum = ntohs(getport(&nb));
extern struct servent *getport(const char *, const char *);
sp = getport(optarg, "tcp");
fd = getport(RM);
int getport(const char *);
rem = getport(RM);
pfd = getport(LP);
pfd = getport(RM);