2.11BSD/src/lib/libc/net/getsbyport.c
/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getservbyport.c 5.3 (Berkeley) 5/19/86";
#endif LIBC_SCCS and not lint
#include <netdb.h>
extern int _serv_stayopen;
struct servent *
getservbyport(port, proto)
int port;
char *proto;
{
register struct servent *p;
setservent(_serv_stayopen);
while (p = getservent()) {
if (p->s_port != port)
continue;
if (proto == 0 || strcmp(p->s_proto, proto) == 0)
break;
}
if (!_serv_stayopen)
endservent();
return (p);
}