| 1 | /*
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| 2 | * Copyright (c) 1983 Regents of the University of California.
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms are permitted
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| 6 | * provided that: (1) source distributions retain this entire copyright
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| 7 | * notice and comment, and (2) distributions including binaries display
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| 8 | * the following acknowledgement: ``This product includes software
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| 9 | * developed by the University of California, Berkeley and its contributors''
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| 10 | * in the documentation or other materials provided with the distribution
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| 11 | * and in all advertising materials mentioning features or use of this
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| 12 | * software. Neither the name of the University nor the names of its
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| 13 | * contributors may be used to endorse or promote products derived
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| 14 | * from this software without specific prior written permission.
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| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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| 16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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| 17 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 18 | */
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| 19 |
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| 20 | #if defined(LIBC_SCCS) && !defined(lint)
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| 21 | static char sccsid[] = "@(#)getservbyport.c 5.6 (Berkeley) 6/1/90";
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| 22 | #endif /* LIBC_SCCS and not lint */
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| 23 |
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| 24 | #include <stddef.h>
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| 25 | #include <string.h>
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| 26 |
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| 27 | #ifdef _MINIX
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| 28 | #include <net/gen/netdb.h>
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| 29 | #endif
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| 30 |
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| 31 | extern int _serv_stayopen;
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| 32 |
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| 33 | struct servent *
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| 34 | getservbyport(port, proto)
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| 35 | int port;
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| 36 | const char *proto;
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| 37 | {
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| 38 | register struct servent *p;
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| 39 |
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| 40 | setservent(_serv_stayopen);
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| 41 | while (p = getservent()) {
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| 42 | if (p->s_port != port)
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| 43 | continue;
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| 44 | if (proto == 0 || strcmp(p->s_proto, proto) == 0)
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| 45 | break;
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| 46 | }
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| 47 | if (!_serv_stayopen)
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| 48 | endservent();
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| 49 | return (p);
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| 50 | }
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