50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
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* Copyright (c) 1983 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)getservbyport.c 5.6 (Berkeley) 6/1/90";
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#endif /* LIBC_SCCS and not lint */
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#include <stddef.h>
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#include <string.h>
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#ifdef _MINIX
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#include <net/gen/netdb.h>
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#endif
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extern int _serv_stayopen;
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struct servent *
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getservbyport(port, proto)
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int port;
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const char *proto;
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{
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register struct servent *p;
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setservent(_serv_stayopen);
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while (p = getservent()) {
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if (p->s_port != port)
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continue;
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if (proto == 0 || strcmp(p->s_proto, proto) == 0)
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break;
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}
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if (!_serv_stayopen)
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endservent();
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return (p);
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}
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